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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<link rel="shortcut icon" href="../favicon.ico">
<meta name="viewport" content="width=device-width">
<title>ECMAScript Next compatibility table</title>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:300,600">
<link rel="stylesheet" href="../master.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="../master.js"></script>
<script>
var __script_executed = {};
if (typeof global === 'undefined') {
this.lacksGlobal = true;
window.global = this;
}
if (typeof globalThis === 'undefined') {
this.lacksGlobalThis = true;
window.globalThis = this;
}
</script>
<script>
(function() {
var s = document.createElement('script'),
t = document.getElementsByTagName('script')[0];
s.type = 'text/javascript';
s.async = true;
s.src = 'https://api.flattr.com/js/0.6/load.js?mode=auto&uid=kangax';
t.parentNode.insertBefore(s, t);
})();
</script>
</head>
<body class="esnext">
<div id="header">
<a href="../" id="logo"><img src="../logo.png" alt="JS compat"></a>
<div id="nav">
<span class="hidden-mobile">ECMAScript</span>
<span class="versions">
<a href="../es5">5</a><!--
--><a href="../es6">6</a><!--
--><a href="../es2016plus">2016+</a><!--
--><a href="../esnext" class="current">next</a><!--
--><a href="../esintl">intl</a><!--
--><a href="../non-standard">non-standard</a>
</span>
<span class="hidden-mobile">compatibility table</span>
</div>
<div class="social">
<span class="hidden-tablet">
<a class="FlattrButton" style="display:none;" rev="flattr;button:compact;" href="https://kangax.github.io/compat-table/es5/"></a>
</span>
<script async src="https://www.google-analytics.com/ga.js"></script>
<span class="by">
by
<a href="https://twitter.com/kangax" style="color:#eee">kangax</a>
&
<a href="https://twitter.com/webbedspace" style="color:#eee">webbedspace</a>
&
<a href="https://github.com/zloirock" style="color:#eee">zloirock</a>
</span>
<iframe class="hidden-tablet" src="https://ghbtns.com/github-btn.html?user=kangax&repo=compat-table&type=fork&count=true" frameborder="0" scrolling="0" width="90px" height="20px" style="margin-left: 10px"></iframe>
</div>
</div>
<div id="body">
<div class="warning">
This table shows proposals which have not yet been included in the current ECMAScript standard, but
are at one of the maturity stages of the <a href="https://tc39.github.io/process-document/">TC39 process</a>.
</div>
<div class="controls">
<label for="sort">
Sort by
<select id="sort">
<option value="engine-types">Engine types</option>
<option value="features">Features</option>
<option value="flagged-features">Flagged features</option>
</select>
</label>
<label for="show-obsolete">
Show obsolete platforms
<input id="show-obsolete" type="checkbox">
</label>
<label for="show-unstable">
Show unstable platforms
<input id="show-unstable" type="checkbox" checked>
</label>
</div><!--
--><div class="legend">
<span><span class="swatch" style="background-color:hsla(79, 100%, 37%, .8)"></span>V8</span>
<span><span class="swatch" style="background-color:hsla(35, 100%, 50%, .8)"></span>SpiderMonkey</span>
<span><span class="swatch" style="background-color:hsla(220, 25%, 70%, .8)"></span>JavaScriptCore</span>
<span><span class="swatch" style="background-color:hsla(217, 85%, 54%, .8)"></span>Chakra</span>
<span><span class="swatch" style="background-color:hsla(52, 85%, 63%, .8)"></span>Other</span>
<br>
<span><span style="opacity:0.2;font-size:3px;">⬤</span> Minor difference (1 point)</span>
<span><span style="opacity:0.2;font-size:6px;">⬤</span> Small feature (2 points)</span>
<span><span style="opacity:0.2;font-size:9px;">⬤</span> Medium feature (4 points)</span>
<span><span style="opacity:0.2;font-size:14px;">⬤</span> Large feature (8 points)</span>
</div>
<table id="table-wrapper">
<thead>
<tr>
<th colspan="3" class="platformtype"></th>
<th colspan="4" class="platformtype" id="compiler-header" style="background: #ffdfa4">Compilers/polyfills</th>
<th colspan="17" class="platformtype" id="desktop-header" style="background: #fff4c3">Desktop browsers</th>
<th colspan="5" class="platformtype" id="engine-header" style="background: #f8e8a0">Servers/runtimes</th>
<th colspan="2" class="platformtype" id="mobile-header" style="background: #f8daa0">Mobile</th>
</tr>
<tr>
<th class="test-name">Feature name</th>
<th class="current">Current browser</th>
<th></th>
<!-- TABLE HEADERS -->
<th class="platform tr compiler obsolete" data-browser="tr"><a href="#tr" class="browser-name"><abbr title="Traceur">Traceur</abbr></a></th>
<th class="platform babel6corejs2 compiler obsolete" data-browser="babel6corejs2"><a href="#babel6corejs2" class="browser-name"><abbr title="Babel 6.5 + core-js 2.5">Babel 6 +<br><nobr>core-js 2</nobr></abbr></a></th>
<th class="platform babel7corejs2 compiler obsolete" data-browser="babel7corejs2"><a href="#babel7corejs2" class="browser-name"><abbr title="Babel 7 + core-js 2.5">Babel 7 +<br><nobr>core-js 2</nobr></abbr></a></th>
<th class="platform babel7corejs3 compiler" data-browser="babel7corejs3"><a href="#babel7corejs3" class="browser-name"><abbr title="Babel 7 + core-js 3">Babel 7 +<br><nobr>core-js 3</nobr></abbr></a></th>
<th class="platform closure20190121 compiler obsolete" data-browser="closure20190121"><a href="#closure20190121" class="browser-name"><abbr title="Closure Compiler v20190121">Closure 2019.01</abbr></a></th>
<th class="platform closure20200101 compiler obsolete" data-browser="closure20200101"><a href="#closure20200101" class="browser-name"><abbr title="Closure Compiler v20200101">Closure 2020.01</abbr></a></th>
<th class="platform closure20200112 compiler obsolete" data-browser="closure20200112"><a href="#closure20200112" class="browser-name"><abbr title="Closure Compiler >=v20200112 <v20200315">Closure 2020.01</abbr></a></th>
<th class="platform closure20200315 compiler obsolete" data-browser="closure20200315"><a href="#closure20200315" class="browser-name"><abbr title="Closure Compiler >=v20200315 <v20200517">Closure 2020.03</abbr></a></th>
<th class="platform closure20200517 compiler obsolete" data-browser="closure20200517"><a href="#closure20200517" class="browser-name"><abbr title="Closure Compiler >=v20200517 <v20200614">Closure 2020.05</abbr></a></th>
<th class="platform closure20200614 compiler obsolete" data-browser="closure20200614"><a href="#closure20200614" class="browser-name"><abbr title="Closure Compiler >=v20200614 <v20200927">Closure 2020.06</abbr></a></th>
<th class="platform closure20200927 compiler obsolete" data-browser="closure20200927"><a href="#closure20200927" class="browser-name"><abbr title="Closure Compiler >=v20200927 <v20210808">Closure 2020.09</abbr></a></th>
<th class="platform closure20210808 compiler" data-browser="closure20210808"><a href="#closure20210808" class="browser-name"><abbr title="Closure Compiler >=v20210808">Closure 2021.08</abbr></a></th>
<th class="platform typescript1corejs2 compiler obsolete" data-browser="typescript1corejs2"><a href="#typescript1corejs2" class="browser-name"><abbr title="TypeScript 1.8 + core-js 2.5">Type-<br>Script +<br><nobr>core-js 2</nobr></abbr></a></th>
<th class="platform typescript2_9corejs2 compiler obsolete" data-browser="typescript2_9corejs2"><a href="#typescript2_9corejs2" class="browser-name"><abbr title="TypeScript 2.9 + core-js 2.5">Type-<br>Script +<br><nobr>core-js 2</nobr></abbr></a></th>
<th class="platform typescript3_2corejs2 compiler obsolete" data-browser="typescript3_2corejs2"><a href="#typescript3_2corejs2" class="browser-name"><abbr title="TypeScript 3.2 + core-js 2.5">Type-<br>Script +<br><nobr>core-js 2</nobr></abbr></a></th>
<th class="platform typescript3_6corejs3 compiler obsolete" data-browser="typescript3_6corejs3"><a href="#typescript3_6corejs3" class="browser-name"><abbr title="TypeScript 3.6 + core-js 3">Type-<br>Script +<br><nobr>core-js 3</nobr></abbr></a></th>
<th class="platform typescript3_7corejs3 compiler obsolete" data-browser="typescript3_7corejs3"><a href="#typescript3_7corejs3" class="browser-name"><abbr title="TypeScript 3.7 + core-js 3">Type-<br>Script +<br><nobr>core-js 3</nobr></abbr></a></th>
<th class="platform typescript3_8corejs3 compiler obsolete" data-browser="typescript3_8corejs3"><a href="#typescript3_8corejs3" class="browser-name"><abbr title="TypeScript 3.8 + core-js 3">Type-<br>Script +<br><nobr>core-js 3</nobr></abbr></a></th>
<th class="platform typescript3_9corejs3 compiler obsolete" data-browser="typescript3_9corejs3"><a href="#typescript3_9corejs3" class="browser-name"><abbr title="TypeScript 3.9 + core-js 3">Type-<br>Script +<br><nobr>core-js 3</nobr></abbr></a></th>
<th class="platform typescript4corejs3 compiler" data-browser="typescript4corejs3"><a href="#typescript4corejs3" class="browser-name"><abbr title="TypeScript 4 + core-js 3">Type-<br>Script +<br><nobr>core-js 3</nobr></abbr></a></th>
<th class="platform firefox68 desktop obsolete" data-browser="firefox68"><a href="#firefox68" class="browser-name"><abbr title="Firefox 68 Extended Support Release">FF 68 ESR</abbr></a></th>
<th class="platform firefox78 desktop" data-browser="firefox78"><a href="#firefox78" class="browser-name"><abbr title="Firefox 78 Extended Support Release">FF 78 ESR</abbr></a></th>
<th class="platform firefox79 desktop obsolete" data-browser="firefox79"><a href="#firefox79" class="browser-name"><abbr title="Firefox 79">FF 79</abbr></a></th>
<th class="platform firefox80 desktop obsolete" data-browser="firefox80"><a href="#firefox80" class="browser-name"><abbr title="Firefox 80">FF 80</abbr></a></th>
<th class="platform firefox81 desktop obsolete" data-browser="firefox81"><a href="#firefox81" class="browser-name"><abbr title="Firefox 81">FF 81</abbr></a></th>
<th class="platform firefox82 desktop obsolete" data-browser="firefox82"><a href="#firefox82" class="browser-name"><abbr title="Firefox 82">FF 82</abbr></a></th>
<th class="platform firefox83 desktop obsolete" data-browser="firefox83"><a href="#firefox83" class="browser-name"><abbr title="Firefox 83">FF 83</abbr></a></th>
<th class="platform firefox84 desktop obsolete" data-browser="firefox84"><a href="#firefox84" class="browser-name"><abbr title="Firefox 84">FF 84</abbr></a></th>
<th class="platform firefox85 desktop obsolete" data-browser="firefox85"><a href="#firefox85" class="browser-name"><abbr title="Firefox 85">FF 85</abbr></a></th>
<th class="platform firefox86 desktop obsolete" data-browser="firefox86"><a href="#firefox86" class="browser-name"><abbr title="Firefox 86">FF 86</abbr></a></th>
<th class="platform firefox87 desktop obsolete" data-browser="firefox87"><a href="#firefox87" class="browser-name"><abbr title="Firefox 87">FF 87</abbr></a></th>
<th class="platform firefox88 desktop obsolete" data-browser="firefox88"><a href="#firefox88" class="browser-name"><abbr title="Firefox 88">FF 88</abbr></a></th>
<th class="platform firefox89 desktop obsolete" data-browser="firefox89"><a href="#firefox89" class="browser-name"><abbr title="Firefox 89">FF 89</abbr></a></th>
<th class="platform firefox90 desktop" data-browser="firefox90"><a href="#firefox90" class="browser-name"><abbr title="Firefox 90">FF 90</abbr></a></th>
<th class="platform firefox91 desktop" data-browser="firefox91"><a href="#firefox91" class="browser-name"><abbr title="Firefox 91 Extended Support Release">FF 91 ESR</abbr></a></th>
<th class="platform firefox92 desktop unstable" data-browser="firefox92"><a href="#firefox92" class="browser-name"><abbr title="Firefox 92 Beta">FF 92</abbr></a></th>
<th class="platform firefox93 desktop unstable" data-browser="firefox93"><a href="#firefox93" class="browser-name"><abbr title="Firefox 93 Nightly">FF 93</abbr></a></th>
<th class="platform opera12_10 desktop obsolete" data-browser="opera12_10"><a href="#opera12_10" class="browser-name"><abbr title="Opera 12.10">OP 12.10</abbr></a></th>
<th class="platform chrome85 desktop obsolete" data-browser="chrome85"><a href="#chrome85" class="browser-name"><abbr title="Chrome 85">CH 85</abbr></a></th>
<th class="platform chrome86 desktop obsolete" data-browser="chrome86"><a href="#chrome86" class="browser-name"><abbr title="Chrome 86">CH 86</abbr></a></th>
<th class="platform chrome87 desktop obsolete" data-browser="chrome87"><a href="#chrome87" class="browser-name"><abbr title="Chrome 87">CH 87</abbr></a></th>
<th class="platform chrome88 desktop obsolete" data-browser="chrome88"><a href="#chrome88" class="browser-name"><abbr title="Chrome 88">CH 88</abbr></a></th>
<th class="platform chrome89 desktop obsolete" data-browser="chrome89"><a href="#chrome89" class="browser-name"><abbr title="Chrome 89">CH 89</abbr></a></th>
<th class="platform chrome90 desktop" data-browser="chrome90"><a href="#chrome90" class="browser-name"><abbr title="Chrome 90">CH 90</abbr></a></th>
<th class="platform chrome91 desktop" data-browser="chrome91"><a href="#chrome91" class="browser-name"><abbr title="Chrome 91">CH 91</abbr></a></th>
<th class="platform chrome92 desktop" data-browser="chrome92"><a href="#chrome92" class="browser-name"><abbr title="Chrome 92">CH 92</abbr></a></th>
<th class="platform chrome93 desktop unstable" data-browser="chrome93"><a href="#chrome93" class="browser-name"><abbr title="Chrome 93 Beta">CH 93</abbr></a></th>
<th class="platform chrome94 desktop unstable" data-browser="chrome94"><a href="#chrome94" class="browser-name"><abbr title="Chrome 94 Canary">CH 94</abbr></a></th>
<th class="platform edge18 desktop obsolete" data-browser="edge18"><a href="#edge18" class="browser-name"><abbr title="Microsoft Edge 18">Edge 18</abbr></a></th>
<th class="platform edge83 desktop obsolete" data-browser="edge83"><a href="#edge83" class="browser-name"><abbr title="Microsoft Edge 83">Edge 83</abbr></a></th>
<th class="platform edge84 desktop obsolete" data-browser="edge84"><a href="#edge84" class="browser-name"><abbr title="Microsoft Edge 84">Edge 84</abbr></a></th>
<th class="platform edge85 desktop obsolete" data-browser="edge85"><a href="#edge85" class="browser-name"><abbr title="Microsoft Edge 85">Edge 85</abbr></a></th>
<th class="platform edge86 desktop obsolete" data-browser="edge86"><a href="#edge86" class="browser-name"><abbr title="Microsoft Edge 86">Edge 86</abbr></a></th>
<th class="platform edge87 desktop obsolete" data-browser="edge87"><a href="#edge87" class="browser-name"><abbr title="Microsoft Edge 87">Edge 87</abbr></a></th>
<th class="platform edge88 desktop obsolete" data-browser="edge88"><a href="#edge88" class="browser-name"><abbr title="Microsoft Edge 88">Edge 88</abbr></a></th>
<th class="platform edge89 desktop" data-browser="edge89"><a href="#edge89" class="browser-name"><abbr title="Microsoft Edge 89">Edge 89</abbr></a></th>
<th class="platform edge90 desktop" data-browser="edge90"><a href="#edge90" class="browser-name"><abbr title="Microsoft Edge 90">Edge 90</abbr></a></th>
<th class="platform safari12_1 desktop obsolete" data-browser="safari12_1"><a href="#safari12_1" class="browser-name"><abbr title="Safari 12.1">SF 12.1</abbr></a></th>
<th class="platform safari13 desktop obsolete" data-browser="safari13"><a href="#safari13" class="browser-name"><abbr title="Safari 13">SF 13</abbr></a></th>
<th class="platform safari13_1 desktop obsolete" data-browser="safari13_1"><a href="#safari13_1" class="browser-name"><abbr title="Safari 13.1">SF 13.1</abbr></a></th>
<th class="platform safari14 desktop" data-browser="safari14"><a href="#safari14" class="browser-name"><abbr title="Safari 14">SF 14</abbr></a></th>
<th class="platform safari14_1 desktop" data-browser="safari14_1"><a href="#safari14_1" class="browser-name"><abbr title="Safari 14.1">SF 14.1</abbr></a></th>
<th class="platform safari15 desktop unstable" data-browser="safari15"><a href="#safari15" class="browser-name"><abbr title="Safari 15 Beta">SF 15</abbr></a></th>
<th class="platform safaritp desktop unstable" data-browser="safaritp"><a href="#safaritp" class="browser-name"><abbr title="Safari Technology Preview Release 123">SF TP</abbr></a></th>
<th class="platform webkit desktop unstable" data-browser="webkit"><a href="#webkit" class="browser-name"><abbr title="Webkit r222556 (October 4, 2017)">WK</abbr></a></th>
<th class="platform opera69 desktop obsolete" data-browser="opera69"><a href="#opera69" class="browser-name"><abbr title="Opera 69">OP 69</abbr></a></th>
<th class="platform opera70 desktop obsolete" data-browser="opera70"><a href="#opera70" class="browser-name"><abbr title="Opera 70">OP 70</abbr></a></th>
<th class="platform opera71 desktop obsolete" data-browser="opera71"><a href="#opera71" class="browser-name"><abbr title="Opera 71">OP 71</abbr></a></th>
<th class="platform opera72 desktop obsolete" data-browser="opera72"><a href="#opera72" class="browser-name"><abbr title="Opera 72">OP 72</abbr></a></th>
<th class="platform opera73 desktop obsolete" data-browser="opera73"><a href="#opera73" class="browser-name"><abbr title="Opera 73">OP 73</abbr></a></th>
<th class="platform opera74 desktop obsolete" data-browser="opera74"><a href="#opera74" class="browser-name"><abbr title="Opera 74">OP 74</abbr></a></th>
<th class="platform opera75 desktop" data-browser="opera75"><a href="#opera75" class="browser-name"><abbr title="Opera 75">OP 75</abbr></a></th>
<th class="platform opera76 desktop" data-browser="opera76"><a href="#opera76" class="browser-name"><abbr title="Opera 76">OP 76</abbr></a></th>
<th class="platform rhino1_7_13 engine obsolete" data-browser="rhino1_7_13"><a href="#rhino1_7_13" class="browser-name"><abbr title="Rhino 1.7.13">Rhino 1.7.13</abbr></a></th>
<th class="platform phantom2_1 engine obsolete" data-browser="phantom2_1"><a href="#phantom2_1" class="browser-name"><abbr title="PhantomJS 2.1">PJS</abbr></a></th>
<th class="platform node0_10 engine obsolete" data-browser="node0_10"><a href="#node0_10" class="browser-name"><abbr title="Node.js">Node 0.10</abbr></a><a href="#harmony-flag-old-note"><sup>[1]</sup></a></th>
<th class="platform node0_12 engine obsolete" data-browser="node0_12"><a href="#node0_12" class="browser-name"><abbr title="Node.js">Node 0.12</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node4 engine obsolete" data-browser="node4"><a href="#node4" class="browser-name"><abbr title="Node.js">Node 4</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node6_5 engine obsolete" data-browser="node6_5"><a href="#node6_5" class="browser-name"><abbr title="Node.js">Node >=6.5 <7</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node7 engine obsolete" data-browser="node7"><a href="#node7" class="browser-name"><abbr title="Node.js">Node 7.0-7.5</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node7_6 engine obsolete" data-browser="node7_6"><a href="#node7_6" class="browser-name"><abbr title="Node.js">Node >=7.6 <8</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node8 engine obsolete" data-browser="node8"><a href="#node8" class="browser-name"><abbr title="Node.js">Node >=8.0 <8.3</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node8_3 engine obsolete" data-browser="node8_3"><a href="#node8_3" class="browser-name"><abbr title="Node.js">Node >=8.3 <8.7</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node8_7 engine obsolete" data-browser="node8_7"><a href="#node8_7" class="browser-name"><abbr title="Node.js">Node >=8.7 <8.10</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node8_10 engine" data-browser="node8_10"><a href="#node8_10" class="browser-name"><abbr title="Node.js">Node >=8.10 <9</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node10_0 engine obsolete" data-browser="node10_0"><a href="#node10_0" class="browser-name"><abbr title="Node.js">Node >=10.0 <10.4</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node10_4 engine obsolete" data-browser="node10_4"><a href="#node10_4" class="browser-name"><abbr title="Node.js">Node >=10.4 <10.9</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node10_9 engine" data-browser="node10_9"><a href="#node10_9" class="browser-name"><abbr title="Node.js">Node >=10.9 <11</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node11_0 engine obsolete" data-browser="node11_0"><a href="#node11_0" class="browser-name"><abbr title="Node.js">Node 11</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node12_0 engine obsolete" data-browser="node12_0"><a href="#node12_0" class="browser-name"><abbr title="Node.js">Node 12.0-12.4</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node12_5 engine obsolete" data-browser="node12_5"><a href="#node12_5" class="browser-name"><abbr title="Node.js">Node 12.5-12.8</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node12_9 engine obsolete" data-browser="node12_9"><a href="#node12_9" class="browser-name"><abbr title="Node.js">Node 12.9-12.10</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node12_11 engine" data-browser="node12_11"><a href="#node12_11" class="browser-name"><abbr title="Node.js">Node >=12.11 <13</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node13_0 engine" data-browser="node13_0"><a href="#node13_0" class="browser-name"><abbr title="Node.js">Node 13.0-13.1</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node13_2 engine" data-browser="node13_2"><a href="#node13_2" class="browser-name"><abbr title="Node.js">Node >=13.2 <14</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node14_0 engine" data-browser="node14_0"><a href="#node14_0" class="browser-name"><abbr title="Node.js">Node >=14.0 <14.5</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node14_5 engine" data-browser="node14_5"><a href="#node14_5" class="browser-name"><abbr title="Node.js">Node >=14.5 <14.6</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node14_6 engine" data-browser="node14_6"><a href="#node14_6" class="browser-name"><abbr title="Node.js">Node >=14.6 <15</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node15_0 engine" data-browser="node15_0"><a href="#node15_0" class="browser-name"><abbr title="Node.js">Node >=15.0 <16</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform node16_0 engine" data-browser="node16_0"><a href="#node16_0" class="browser-name"><abbr title="Node.js">Node 16+</abbr></a><a href="#harmony-flag-note"><sup>[2]</sup></a></th>
<th class="platform duktape2_0 engine obsolete" data-browser="duktape2_0"><a href="#duktape2_0" class="browser-name"><abbr title="Duktape 2.0">DUK 2.0</abbr></a></th>
<th class="platform duktape2_1 engine obsolete" data-browser="duktape2_1"><a href="#duktape2_1" class="browser-name"><abbr title="Duktape 2.1">DUK 2.1</abbr></a></th>
<th class="platform duktape2_2 engine obsolete" data-browser="duktape2_2"><a href="#duktape2_2" class="browser-name"><abbr title="Duktape 2.2">DUK 2.2</abbr></a></th>
<th class="platform duktape2_3 engine" data-browser="duktape2_3"><a href="#duktape2_3" class="browser-name"><abbr title="Duktape 2.3">DUK 2.3</abbr></a></th>
<th class="platform graalvm19 engine obsolete" data-browser="graalvm19"><a href="#graalvm19" class="browser-name"><abbr title="GraalVM JavaScript 19.3.1">GraalVM 19.3.1</abbr></a><a href="#graalvm-node-mode-note"><sup>[3]</sup></a></th>
<th class="platform graalvm19_3_6 engine" data-browser="graalvm19_3_6"><a href="#graalvm19_3_6" class="browser-name"><abbr title="GraalVM JavaScript 19.3.6">GraalVM 19.3.6</abbr></a><a href="#graalvm-node-mode-note"><sup>[3]</sup></a></th>
<th class="platform graalvm20 engine obsolete" data-browser="graalvm20"><a href="#graalvm20" class="browser-name"><abbr title="GraalVM JavaScript 20.0.0">GraalVM 20.0.0</abbr></a><a href="#graalvm-node-mode-note"><sup>[3]</sup></a></th>
<th class="platform graalvm20_1 engine obsolete" data-browser="graalvm20_1"><a href="#graalvm20_1" class="browser-name"><abbr title="GraalVM JavaScript 20.1.0">GraalVM 20.1.0</abbr></a><a href="#graalvm-node-mode-note"><sup>[3]</sup></a></th>
<th class="platform graalvm20_3 engine obsolete" data-browser="graalvm20_3"><a href="#graalvm20_3" class="browser-name"><abbr title="GraalVM JavaScript 20.3.0">GraalVM 20.3.0</abbr></a><a href="#graalvm-node-mode-note"><sup>[3]</sup></a></th>
<th class="platform graalvm20_3_1 engine" data-browser="graalvm20_3_1"><a href="#graalvm20_3_1" class="browser-name"><abbr title="GraalVM JavaScript 20.3.1">GraalVM 20.3.1</abbr></a><a href="#graalvm-node-mode-note"><sup>[3]</sup></a></th>
<th class="platform graalvm21 engine" data-browser="graalvm21"><a href="#graalvm21" class="browser-name"><abbr title="GraalVM JavaScript 21.0.0">GraalVM 21.0.0</abbr></a><a href="#graalvm-node-mode-note"><sup>[3]</sup></a></th>
<th class="platform android4_4 mobile obsolete" data-browser="android4_4"><a href="#android4_4" class="browser-name"><abbr title="Android Browser 4.4 (KitKat)">AN 4.4</abbr></a></th>
<th class="platform android4_4_3 mobile obsolete" data-browser="android4_4_3"><a href="#android4_4_3" class="browser-name"><abbr title="Android Browser 4.4.3 (KitKat)">AN 4.4.3</abbr></a></th>
<th class="platform ios10_3 mobile obsolete" data-browser="ios10_3"><a href="#ios10_3" class="browser-name"><abbr title="iOS Safari">iOS >=10.3 <11</abbr></a></th>
<th class="platform ios11 mobile obsolete" data-browser="ios11"><a href="#ios11" class="browser-name"><abbr title="iOS Safari">iOS 11</abbr></a></th>
<th class="platform ios11_3 mobile obsolete" data-browser="ios11_3"><a href="#ios11_3" class="browser-name"><abbr title="iOS Safari">iOS 11.3</abbr></a></th>
<th class="platform ios12 mobile" data-browser="ios12"><a href="#ios12" class="browser-name"><abbr title="iOS Safari">iOS 12</abbr></a></th>
<th class="platform ios12_2 mobile" data-browser="ios12_2"><a href="#ios12_2" class="browser-name"><abbr title="iOS Safari">iOS 12.2</abbr></a></th>
<th class="platform ios13 mobile" data-browser="ios13"><a href="#ios13" class="browser-name"><abbr title="iOS Safari">iOS 13</abbr></a></th>
<th class="platform ios13_4 mobile" data-browser="ios13_4"><a href="#ios13_4" class="browser-name"><abbr title="iOS Safari">iOS 13.4</abbr></a></th>
<th class="platform ios14 mobile" data-browser="ios14"><a href="#ios14" class="browser-name"><abbr title="iOS Safari">iOS 14</abbr></a></th>
<th class="platform ios15 mobile unstable" data-browser="ios15"><a href="#ios15" class="browser-name"><abbr title="iOS Safari">iOS 15</abbr></a></th>
<th class="platform samsung12 mobile" data-browser="samsung12"><a href="#samsung12" class="browser-name"><abbr title="Samsung Internet for Android 12">Samsung 12</abbr></a></th>
<th class="platform samsung13 mobile" data-browser="samsung13"><a href="#samsung13" class="browser-name"><abbr title="Samsung Internet for Android 13">Samsung 13</abbr></a></th>
<th class="platform samsung14 mobile" data-browser="samsung14"><a href="#samsung14" class="browser-name"><abbr title="Samsung Internet for Android 14">Samsung 14</abbr></a></th>
<th class="platform samsung15 mobile unstable" data-browser="samsung15"><a href="#samsung15" class="browser-name"><abbr title="Samsung Internet for Android 15">Samsung 15</abbr></a></th>
<th class="platform opera_mobile57 mobile obsolete" data-browser="opera_mobile57"><a href="#opera_mobile57" class="browser-name"><abbr title="Opera Mobile for Android 57">Opera Mobile 57</abbr></a></th>
<th class="platform opera_mobile58 mobile obsolete" data-browser="opera_mobile58"><a href="#opera_mobile58" class="browser-name"><abbr title="Opera Mobile for Android 58">Opera Mobile 58</abbr></a></th>
<th class="platform opera_mobile59 mobile obsolete" data-browser="opera_mobile59"><a href="#opera_mobile59" class="browser-name"><abbr title="Opera Mobile for Android 59">Opera Mobile 59</abbr></a></th>
<th class="platform opera_mobile60 mobile obsolete" data-browser="opera_mobile60"><a href="#opera_mobile60" class="browser-name"><abbr title="Opera Mobile for Android 60">Opera Mobile 60</abbr></a></th>
<th class="platform opera_mobile61 mobile obsolete" data-browser="opera_mobile61"><a href="#opera_mobile61" class="browser-name"><abbr title="Opera Mobile for Android 61">Opera Mobile 61</abbr></a></th>
<th class="platform opera_mobile62 mobile" data-browser="opera_mobile62"><a href="#opera_mobile62" class="browser-name"><abbr title="Opera Mobile for Android 62">Opera Mobile 62</abbr></a></th>
<th class="platform opera_mobile63 mobile" data-browser="opera_mobile63"><a href="#opera_mobile63" class="browser-name"><abbr title="Opera Mobile for Android 63">Opera Mobile 63</abbr></a></th>
</tr>
</thead>
<tbody>
<!-- TABLE BODY -->
<tr class="category"><td colspan="136">Stage 3</td>
</tr>
<tr significance="1"><td id="test-Realms"><span><a class="anchor" href="#test-Realms">§</a><a href="https://github.com/tc39/proposal-realms">Realms</a></span><script data-source="
return typeof Realm === "function"
&& ["eval", "global", "intrinsics", "stdlib", "directEval", "indirectEval", "initGlobal", "nonEval"].every(function(key){
return key in Realm.prototype;
});
">test(function(){try{var asyncTestPassed=global.__asyncPassedFn && __asyncPassedFn("0");try{return Function("asyncTestPassed","\nreturn typeof Realm === \"function\"\n && [\"eval\", \"global\", \"intrinsics\", \"stdlib\", \"directEval\", \"indirectEval\", \"initGlobal\", \"nonEval\"].every(function(key){\n return key in Realm.prototype;\n });\n ")(asyncTestPassed)}catch(e){asyncTestPassed=global.__strictAsyncPassedFn && __strictAsyncPassedFn("0");return Function("asyncTestPassed","'use strict';"+"\nreturn typeof Realm === \"function\"\n && [\"eval\", \"global\", \"intrinsics\", \"stdlib\", \"directEval\", \"indirectEval\", \"initGlobal\", \"nonEval\"].every(function(key){\n return key in Realm.prototype;\n });\n ")(asyncTestPassed)&&"Strict"}}catch(e){return false;}}());
</script></td>
<td class="unknown obsolete" data-browser="tr">?</td>
<td class="unknown obsolete" data-browser="babel6corejs2">?</td>
<td class="unknown obsolete" data-browser="babel7corejs2">?</td>
<td class="unknown" data-browser="babel7corejs3">?</td>
<td class="unknown obsolete" data-browser="closure20190121">?</td>
<td class="unknown obsolete" data-browser="closure20200101">?</td>
<td class="unknown obsolete" data-browser="closure20200112">?</td>
<td class="unknown obsolete" data-browser="closure20200315">?</td>
<td class="unknown obsolete" data-browser="closure20200517">?</td>
<td class="unknown obsolete" data-browser="closure20200614">?</td>
<td class="unknown obsolete" data-browser="closure20200927">?</td>
<td class="unknown" data-browser="closure20210808">?</td>
<td class="unknown obsolete" data-browser="typescript1corejs2">?</td>
<td class="unknown obsolete" data-browser="typescript2_9corejs2">?</td>
<td class="unknown obsolete" data-browser="typescript3_2corejs2">?</td>
<td class="unknown obsolete" data-browser="typescript3_6corejs3">?</td>
<td class="unknown obsolete" data-browser="typescript3_7corejs3">?</td>
<td class="unknown obsolete" data-browser="typescript3_8corejs3">?</td>
<td class="unknown obsolete" data-browser="typescript3_9corejs3">?</td>
<td class="unknown" data-browser="typescript4corejs3">?</td>
<td class="no obsolete" data-browser="firefox68">No</td>
<td class="no" data-browser="firefox78">No</td>
<td class="no obsolete" data-browser="firefox79">No</td>
<td class="no obsolete" data-browser="firefox80">No</td>
<td class="no obsolete" data-browser="firefox81">No</td>
<td class="no obsolete" data-browser="firefox82">No</td>
<td class="no obsolete" data-browser="firefox83">No</td>
<td class="no obsolete" data-browser="firefox84">No</td>
<td class="no obsolete" data-browser="firefox85">No</td>
<td class="no obsolete" data-browser="firefox86">No</td>
<td class="no obsolete" data-browser="firefox87">No</td>
<td class="no obsolete" data-browser="firefox88">No</td>
<td class="no obsolete" data-browser="firefox89">No</td>
<td class="no" data-browser="firefox90">No</td>
<td class="no" data-browser="firefox91">No</td>
<td class="no unstable" data-browser="firefox92">No</td>
<td class="no unstable" data-browser="firefox93">No</td>
<td class="no obsolete" data-browser="opera12_10">No</td>
<td class="no obsolete" data-browser="chrome85">No</td>
<td class="no obsolete" data-browser="chrome86">No</td>
<td class="no obsolete" data-browser="chrome87">No</td>
<td class="no obsolete" data-browser="chrome88">No</td>
<td class="no obsolete" data-browser="chrome89">No</td>
<td class="no" data-browser="chrome90">No</td>
<td class="no" data-browser="chrome91">No</td>
<td class="no" data-browser="chrome92">No</td>
<td class="no unstable" data-browser="chrome93">No</td>
<td class="no unstable" data-browser="chrome94">No</td>
<td class="no obsolete" data-browser="edge18">No</td>
<td class="no obsolete" data-browser="edge83">No</td>
<td class="no obsolete" data-browser="edge84">No</td>
<td class="no obsolete" data-browser="edge85">No</td>
<td class="no obsolete" data-browser="edge86">No</td>
<td class="no obsolete" data-browser="edge87">No</td>
<td class="no obsolete" data-browser="edge88">No</td>
<td class="no" data-browser="edge89">No</td>
<td class="no" data-browser="edge90">No</td>
<td class="unknown obsolete" data-browser="safari12_1">?</td>
<td class="unknown obsolete" data-browser="safari13">?</td>
<td class="unknown obsolete" data-browser="safari13_1">?</td>
<td class="unknown" data-browser="safari14">?</td>
<td class="unknown" data-browser="safari14_1">?</td>
<td class="unknown unstable" data-browser="safari15">?</td>
<td class="unknown unstable" data-browser="safaritp">?</td>
<td class="unknown unstable" data-browser="webkit">?</td>
<td class="no obsolete" data-browser="opera69">No</td>
<td class="no obsolete" data-browser="opera70">No</td>
<td class="no obsolete" data-browser="opera71">No</td>
<td class="no obsolete" data-browser="opera72">No</td>
<td class="no obsolete" data-browser="opera73">No</td>
<td class="no obsolete" data-browser="opera74">No</td>
<td class="no" data-browser="opera75">No</td>
<td class="no" data-browser="opera76">No</td>
<td class="no obsolete" data-browser="rhino1_7_13">No</td>
<td class="unknown obsolete" data-browser="phantom2_1">?</td>
<td class="unknown obsolete" data-browser="node0_10">?</td>
<td class="unknown obsolete" data-browser="node0_12">?</td>
<td class="unknown obsolete" data-browser="node4">?</td>
<td class="unknown obsolete" data-browser="node6_5">?</td>
<td class="unknown obsolete" data-browser="node7">?</td>
<td class="unknown obsolete" data-browser="node7_6">?</td>
<td class="unknown obsolete" data-browser="node8">?</td>
<td class="unknown obsolete" data-browser="node8_3">?</td>
<td class="unknown obsolete" data-browser="node8_7">?</td>
<td class="unknown" data-browser="node8_10">?</td>
<td class="unknown obsolete" data-browser="node10_0">?</td>
<td class="unknown obsolete" data-browser="node10_4">?</td>
<td class="unknown" data-browser="node10_9">?</td>
<td class="unknown obsolete" data-browser="node11_0">?</td>
<td class="unknown obsolete" data-browser="node12_0">?</td>
<td class="unknown obsolete" data-browser="node12_5">?</td>
<td class="unknown obsolete" data-browser="node12_9">?</td>
<td class="no" data-browser="node12_11">No</td>
<td class="no" data-browser="node13_0">No</td>
<td class="no" data-browser="node13_2">No</td>
<td class="no" data-browser="node14_0">No</td>
<td class="no" data-browser="node14_5">No</td>
<td class="no" data-browser="node14_6">No</td>
<td class="no" data-browser="node15_0">No</td>
<td class="no" data-browser="node16_0">No</td>
<td class="no obsolete" data-browser="duktape2_0">No</td>
<td class="no obsolete" data-browser="duktape2_1">No</td>
<td class="no obsolete" data-browser="duktape2_2">No</td>
<td class="no" data-browser="duktape2_3">No</td>
<td class="no obsolete" data-browser="graalvm19">No</td>
<td class="no" data-browser="graalvm19_3_6">No</td>
<td class="no obsolete" data-browser="graalvm20">No</td>
<td class="no obsolete" data-browser="graalvm20_1">No</td>
<td class="no obsolete" data-browser="graalvm20_3">No</td>
<td class="no" data-browser="graalvm20_3_1">No</td>
<td class="no" data-browser="graalvm21">No</td>
<td class="unknown obsolete" data-browser="android4_4">?</td>
<td class="unknown obsolete" data-browser="android4_4_3">?</td>
<td class="unknown obsolete" data-browser="ios10_3">?</td>
<td class="unknown obsolete" data-browser="ios11">?</td>
<td class="unknown obsolete" data-browser="ios11_3">?</td>
<td class="unknown" data-browser="ios12">?</td>
<td class="unknown" data-browser="ios12_2">?</td>
<td class="unknown" data-browser="ios13">?</td>
<td class="unknown" data-browser="ios13_4">?</td>
<td class="unknown" data-browser="ios14">?</td>
<td class="unknown unstable" data-browser="ios15">?</td>
<td class="no" data-browser="samsung12">No</td>
<td class="no" data-browser="samsung13">No</td>
<td class="no" data-browser="samsung14">No</td>
<td class="no unstable" data-browser="samsung15">No</td>
<td class="no obsolete" data-browser="opera_mobile57">No</td>
<td class="no obsolete" data-browser="opera_mobile58">No</td>
<td class="no obsolete" data-browser="opera_mobile59">No</td>
<td class="no obsolete" data-browser="opera_mobile60">No</td>
<td class="no obsolete" data-browser="opera_mobile61">No</td>
<td class="no" data-browser="opera_mobile62">No</td>
<td class="no" data-browser="opera_mobile63">No</td>
</tr>
<tr class="supertest" significance="0.25"><td id="test-Legacy_RegExp_features_in_JavaScript"><span><a class="anchor" href="#test-Legacy_RegExp_features_in_JavaScript">§</a><a href="https://github.com/tc39/proposal-regexp-legacy-features">Legacy RegExp features in JavaScript</a></span></td>
<td class="tally obsolete" data-browser="tr" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="babel6corejs2" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="babel7corejs2" data-tally="0">0/2</td>
<td class="tally" data-browser="babel7corejs3" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="closure20190121" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="closure20200101" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="closure20200112" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="closure20200315" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="closure20200517" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="closure20200614" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="closure20200927" data-tally="0">0/2</td>
<td class="tally" data-browser="closure20210808" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="typescript1corejs2" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="typescript2_9corejs2" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="typescript3_2corejs2" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="typescript3_6corejs3" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="typescript3_7corejs3" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="typescript3_8corejs3" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="typescript3_9corejs3" data-tally="0">0/2</td>
<td class="tally" data-browser="typescript4corejs3" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="firefox68" data-tally="1">2/2</td>
<td class="tally" data-browser="firefox78" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="firefox79" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="firefox80" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="firefox81" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="firefox82" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="firefox83" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="firefox84" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="firefox85" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="firefox86" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="firefox87" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="firefox88" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="firefox89" data-tally="1">2/2</td>
<td class="tally" data-browser="firefox90" data-tally="1">2/2</td>
<td class="tally" data-browser="firefox91" data-tally="1">2/2</td>
<td class="tally unstable" data-browser="firefox92" data-tally="1">2/2</td>
<td class="tally unstable" data-browser="firefox93" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="opera12_10" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="chrome85" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="chrome86" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="chrome87" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="chrome88" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="chrome89" data-tally="1">2/2</td>
<td class="tally" data-browser="chrome90" data-tally="1">2/2</td>
<td class="tally" data-browser="chrome91" data-tally="1">2/2</td>
<td class="tally" data-browser="chrome92" data-tally="1">2/2</td>
<td class="tally unstable" data-browser="chrome93" data-tally="1">2/2</td>
<td class="tally unstable" data-browser="chrome94" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="edge18" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="edge83" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="edge84" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="edge85" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="edge86" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="edge87" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="edge88" data-tally="1">2/2</td>
<td class="tally" data-browser="edge89" data-tally="1">2/2</td>
<td class="tally" data-browser="edge90" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="safari12_1" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="safari13" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="safari13_1" data-tally="1">2/2</td>
<td class="tally" data-browser="safari14" data-tally="1">2/2</td>
<td class="tally" data-browser="safari14_1" data-tally="1">2/2</td>
<td class="tally unstable" data-browser="safari15" data-tally="1">2/2</td>
<td class="tally unstable" data-browser="safaritp" data-tally="1">2/2</td>
<td class="tally unstable" data-browser="webkit" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="opera69" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="opera70" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="opera71" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="opera72" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="opera73" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="opera74" data-tally="1">2/2</td>
<td class="tally" data-browser="opera75" data-tally="1">2/2</td>
<td class="tally" data-browser="opera76" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="rhino1_7_13" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="phantom2_1" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node0_10" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node0_12" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node4" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node6_5" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node7" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node7_6" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node8" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node8_3" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node8_7" data-tally="1">2/2</td>
<td class="tally" data-browser="node8_10" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node10_0" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node10_4" data-tally="1">2/2</td>
<td class="tally" data-browser="node10_9" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node11_0" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node12_0" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node12_5" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="node12_9" data-tally="1">2/2</td>
<td class="tally" data-browser="node12_11" data-tally="1">2/2</td>
<td class="tally" data-browser="node13_0" data-tally="1">2/2</td>
<td class="tally" data-browser="node13_2" data-tally="1">2/2</td>
<td class="tally" data-browser="node14_0" data-tally="1">2/2</td>
<td class="tally" data-browser="node14_5" data-tally="1">2/2</td>
<td class="tally" data-browser="node14_6" data-tally="1">2/2</td>
<td class="tally" data-browser="node15_0" data-tally="1">2/2</td>
<td class="tally" data-browser="node16_0" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="duktape2_0" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="duktape2_1" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="duktape2_2" data-tally="0">0/2</td>
<td class="tally" data-browser="duktape2_3" data-tally="0">0/2</td>
<td class="tally obsolete" data-browser="graalvm19" data-tally="1">2/2</td>
<td class="tally" data-browser="graalvm19_3_6" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="graalvm20" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="graalvm20_1" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="graalvm20_3" data-tally="1">2/2</td>
<td class="tally" data-browser="graalvm20_3_1" data-tally="1">2/2</td>
<td class="tally" data-browser="graalvm21" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="android4_4" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="android4_4_3" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="ios10_3" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="ios11" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="ios11_3" data-tally="1">2/2</td>
<td class="tally" data-browser="ios12" data-tally="1">2/2</td>
<td class="tally" data-browser="ios12_2" data-tally="1">2/2</td>
<td class="tally" data-browser="ios13" data-tally="1">2/2</td>
<td class="tally" data-browser="ios13_4" data-tally="1">2/2</td>
<td class="tally" data-browser="ios14" data-tally="1">2/2</td>
<td class="tally unstable" data-browser="ios15" data-tally="1">2/2</td>
<td class="tally" data-browser="samsung12" data-tally="1">2/2</td>
<td class="tally" data-browser="samsung13" data-tally="1">2/2</td>
<td class="tally" data-browser="samsung14" data-tally="1">2/2</td>
<td class="tally unstable" data-browser="samsung15" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="opera_mobile57" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="opera_mobile58" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="opera_mobile59" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="opera_mobile60" data-tally="1">2/2</td>
<td class="tally obsolete" data-browser="opera_mobile61" data-tally="1">2/2</td>
<td class="tally" data-browser="opera_mobile62" data-tally="1">2/2</td>
<td class="tally" data-browser="opera_mobile63" data-tally="1">2/2</td>
</tr>
<tr class="subtest" data-parent="Legacy_RegExp_features_in_JavaScript" id="test-Legacy_RegExp_features_in_JavaScript_RegExp_lastMatch_a_href=_https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/lastMatch_title=_MDN_documentation_img_src=_../mdn.png_alt=_MDN_(Mozilla_Development_Network)_logo_width=_15_height=_13_/_/a_nbsp;"><td><span><a class="anchor" href="#test-Legacy_RegExp_features_in_JavaScript_RegExp_lastMatch_a_href=_https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/lastMatch_title=_MDN_documentation_img_src=_../mdn.png_alt=_MDN_(Mozilla_Development_Network)_logo_width=_15_height=_13_/_/a_nbsp;">§</a>RegExp "lastMatch" <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/lastMatch" title="MDN documentation"><img src="../mdn.png" alt="MDN (Mozilla Development Network) logo" width="15" height="13"></a> </span><script data-source="function () {
var re = /\w/;
re.exec('x');
return RegExp.lastMatch === 'x';
}">test(
function () {
var re = /\w/;
re.exec('x');
return RegExp.lastMatch === 'x';
}())</script></td>
<td class="unknown obsolete" data-browser="tr">?</td>
<td class="unknown obsolete" data-browser="babel6corejs2">?</td>
<td class="unknown obsolete" data-browser="babel7corejs2">?</td>
<td class="unknown" data-browser="babel7corejs3">?</td>
<td class="unknown obsolete" data-browser="closure20190121">?</td>
<td class="unknown obsolete" data-browser="closure20200101">?</td>
<td class="unknown obsolete" data-browser="closure20200112">?</td>
<td class="unknown obsolete" data-browser="closure20200315">?</td>
<td class="unknown obsolete" data-browser="closure20200517">?</td>
<td class="unknown obsolete" data-browser="closure20200614">?</td>
<td class="unknown obsolete" data-browser="closure20200927">?</td>
<td class="unknown" data-browser="closure20210808">?</td>
<td class="unknown obsolete" data-browser="typescript1corejs2">?</td>
<td class="unknown obsolete" data-browser="typescript2_9corejs2">?</td>
<td class="unknown obsolete" data-browser="typescript3_2corejs2">?</td>
<td class="unknown obsolete" data-browser="typescript3_6corejs3">?</td>
<td class="unknown obsolete" data-browser="typescript3_7corejs3">?</td>
<td class="unknown obsolete" data-browser="typescript3_8corejs3">?</td>
<td class="unknown obsolete" data-browser="typescript3_9corejs3">?</td>
<td class="unknown" data-browser="typescript4corejs3">?</td>
<td class="yes obsolete" data-browser="firefox68">Yes</td>
<td class="yes" data-browser="firefox78">Yes</td>
<td class="yes obsolete" data-browser="firefox79">Yes</td>
<td class="yes obsolete" data-browser="firefox80">Yes</td>
<td class="yes obsolete" data-browser="firefox81">Yes</td>
<td class="yes obsolete" data-browser="firefox82">Yes</td>
<td class="yes obsolete" data-browser="firefox83">Yes</td>
<td class="yes obsolete" data-browser="firefox84">Yes</td>
<td class="yes obsolete" data-browser="firefox85">Yes</td>
<td class="yes obsolete" data-browser="firefox86">Yes</td>
<td class="yes obsolete" data-browser="firefox87">Yes</td>
<td class="yes obsolete" data-browser="firefox88">Yes</td>
<td class="yes obsolete" data-browser="firefox89">Yes</td>
<td class="yes" data-browser="firefox90">Yes</td>
<td class="yes" data-browser="firefox91">Yes</td>
<td class="yes unstable" data-browser="firefox92">Yes</td>
<td class="yes unstable" data-browser="firefox93">Yes</td>
<td class="yes obsolete" data-browser="opera12_10">Yes</td>
<td class="yes obsolete" data-browser="chrome85">Yes</td>
<td class="yes obsolete" data-browser="chrome86">Yes</td>
<td class="yes obsolete" data-browser="chrome87">Yes</td>
<td class="yes obsolete" data-browser="chrome88">Yes</td>
<td class="yes obsolete" data-browser="chrome89">Yes</td>
<td class="yes" data-browser="chrome90">Yes</td>
<td class="yes" data-browser="chrome91">Yes</td>
<td class="yes" data-browser="chrome92">Yes</td>
<td class="yes unstable" data-browser="chrome93">Yes</td>
<td class="yes unstable" data-browser="chrome94">Yes</td>
<td class="yes obsolete" data-browser="edge18">Yes</td>
<td class="yes obsolete" data-browser="edge83">Yes</td>
<td class="yes obsolete" data-browser="edge84">Yes</td>
<td class="yes obsolete" data-browser="edge85">Yes</td>
<td class="yes obsolete" data-browser="edge86">Yes</td>
<td class="yes obsolete" data-browser="edge87">Yes</td>
<td class="yes obsolete" data-browser="edge88">Yes</td>
<td class="yes" data-browser="edge89">Yes</td>
<td class="yes" data-browser="edge90">Yes</td>
<td class="yes obsolete" data-browser="safari12_1">Yes</td>
<td class="yes obsolete" data-browser="safari13">Yes</td>
<td class="yes obsolete" data-browser="safari13_1">Yes</td>
<td class="yes" data-browser="safari14">Yes</td>
<td class="yes" data-browser="safari14_1">Yes</td>
<td class="yes unstable" data-browser="safari15">Yes</td>
<td class="yes unstable" data-browser="safaritp">Yes</td>
<td class="yes unstable" data-browser="webkit">Yes</td>
<td class="yes obsolete" data-browser="opera69">Yes</td>
<td class="yes obsolete" data-browser="opera70">Yes</td>
<td class="yes obsolete" data-browser="opera71">Yes</td>
<td class="yes obsolete" data-browser="opera72">Yes</td>
<td class="yes obsolete" data-browser="opera73">Yes</td>
<td class="yes obsolete" data-browser="opera74">Yes</td>
<td class="yes" data-browser="opera75">Yes</td>
<td class="yes" data-browser="opera76">Yes</td>
<td class="yes obsolete" data-browser="rhino1_7_13">Yes</td>
<td class="yes obsolete" data-browser="phantom2_1">Yes</td>
<td class="yes obsolete" data-browser="node0_10">Yes</td>
<td class="yes obsolete" data-browser="node0_12">Yes</td>
<td class="yes obsolete" data-browser="node4">Yes</td>
<td class="yes obsolete" data-browser="node6_5">Yes</td>
<td class="yes obsolete" data-browser="node7">Yes</td>
<td class="yes obsolete" data-browser="node7_6">Yes</td>
<td class="yes obsolete" data-browser="node8">Yes</td>
<td class="yes obsolete" data-browser="node8_3">Yes</td>
<td class="yes obsolete" data-browser="node8_7">Yes</td>
<td class="yes" data-browser="node8_10">Yes</td>
<td class="yes obsolete" data-browser="node10_0">Yes</td>
<td class="yes obsolete" data-browser="node10_4">Yes</td>
<td class="yes" data-browser="node10_9">Yes</td>
<td class="yes obsolete" data-browser="node11_0">Yes</td>
<td class="yes obsolete" data-browser="node12_0">Yes</td>
<td class="yes obsolete" data-browser="node12_5">Yes</td>
<td class="yes obsolete" data-browser="node12_9">Yes</td>
<td class="yes" data-browser="node12_11">Yes</td>
<td class="yes" data-browser="node13_0">Yes</td>
<td class="yes" data-browser="node13_2">Yes</td>
<td class="yes" data-browser="node14_0">Yes</td>
<td class="yes" data-browser="node14_5">Yes</td>
<td class="yes" data-browser="node14_6">Yes</td>
<td class="yes" data-browser="node15_0">Yes</td>
<td class="yes" data-browser="node16_0">Yes</td>
<td class="no obsolete" data-browser="duktape2_0">No</td>
<td class="no obsolete" data-browser="duktape2_1">No</td>
<td class="no obsolete" data-browser="duktape2_2">No</td>
<td class="no" data-browser="duktape2_3">No</td>
<td class="yes obsolete" data-browser="graalvm19">Yes</td>
<td class="yes" data-browser="graalvm19_3_6">Yes</td>
<td class="yes obsolete" data-browser="graalvm20">Yes</td>
<td class="yes obsolete" data-browser="graalvm20_1">Yes</td>
<td class="yes obsolete" data-browser="graalvm20_3">Yes</td>
<td class="yes" data-browser="graalvm20_3_1">Yes</td>
<td class="yes" data-browser="graalvm21">Yes</td>
<td class="yes obsolete" data-browser="android4_4">Yes</td>
<td class="yes obsolete" data-browser="android4_4_3">Yes</td>
<td class="yes obsolete" data-browser="ios10_3">Yes</td>
<td class="yes obsolete" data-browser="ios11">Yes</td>
<td class="yes obsolete" data-browser="ios11_3">Yes</td>
<td class="yes" data-browser="ios12">Yes</td>
<td class="yes" data-browser="ios12_2">Yes</td>
<td class="yes" data-browser="ios13">Yes</td>
<td class="yes" data-browser="ios13_4">Yes</td>
<td class="yes" data-browser="ios14">Yes</td>
<td class="yes unstable" data-browser="ios15">Yes</td>
<td class="yes" data-browser="samsung12">Yes</td>
<td class="yes" data-browser="samsung13">Yes</td>
<td class="yes" data-browser="samsung14">Yes</td>
<td class="yes unstable" data-browser="samsung15">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile57">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile58">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile59">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile60">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile61">Yes</td>
<td class="yes" data-browser="opera_mobile62">Yes</td>
<td class="yes" data-browser="opera_mobile63">Yes</td>
</tr>
<tr class="subtest" data-parent="Legacy_RegExp_features_in_JavaScript" id="test-Legacy_RegExp_features_in_JavaScript_RegExp.$1-$9_a_href=_https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/n_title=_MDN_documentation_img_src=_../mdn.png_alt=_MDN_(Mozilla_Development_Network)_logo_width=_15_height=_13_/_/a_nbsp;"><td><span><a class="anchor" href="#test-Legacy_RegExp_features_in_JavaScript_RegExp.$1-$9_a_href=_https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/n_title=_MDN_documentation_img_src=_../mdn.png_alt=_MDN_(Mozilla_Development_Network)_logo_width=_15_height=_13_/_/a_nbsp;">§</a>RegExp.$1-$9 <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/n" title="MDN documentation"><img src="../mdn.png" alt="MDN (Mozilla Development Network) logo" width="15" height="13"></a> </span><script data-source="function () {
for (var i = 1; i < 10; i++) {
if (!(('$' + i) in RegExp)) return false;
}
return true;
}">test(
function () {
for (var i = 1; i < 10; i++) {
if (!(('$' + i) in RegExp)) return false;
}
return true;
}())</script></td>
<td class="unknown obsolete" data-browser="tr">?</td>
<td class="unknown obsolete" data-browser="babel6corejs2">?</td>
<td class="unknown obsolete" data-browser="babel7corejs2">?</td>
<td class="unknown" data-browser="babel7corejs3">?</td>
<td class="unknown obsolete" data-browser="closure20190121">?</td>
<td class="unknown obsolete" data-browser="closure20200101">?</td>
<td class="unknown obsolete" data-browser="closure20200112">?</td>
<td class="unknown obsolete" data-browser="closure20200315">?</td>
<td class="unknown obsolete" data-browser="closure20200517">?</td>
<td class="unknown obsolete" data-browser="closure20200614">?</td>
<td class="unknown obsolete" data-browser="closure20200927">?</td>
<td class="unknown" data-browser="closure20210808">?</td>
<td class="unknown obsolete" data-browser="typescript1corejs2">?</td>
<td class="unknown obsolete" data-browser="typescript2_9corejs2">?</td>
<td class="unknown obsolete" data-browser="typescript3_2corejs2">?</td>
<td class="unknown obsolete" data-browser="typescript3_6corejs3">?</td>
<td class="unknown obsolete" data-browser="typescript3_7corejs3">?</td>
<td class="unknown obsolete" data-browser="typescript3_8corejs3">?</td>
<td class="unknown obsolete" data-browser="typescript3_9corejs3">?</td>
<td class="unknown" data-browser="typescript4corejs3">?</td>
<td class="yes obsolete" data-browser="firefox68">Yes</td>
<td class="yes" data-browser="firefox78">Yes</td>
<td class="yes obsolete" data-browser="firefox79">Yes</td>
<td class="yes obsolete" data-browser="firefox80">Yes</td>
<td class="yes obsolete" data-browser="firefox81">Yes</td>
<td class="yes obsolete" data-browser="firefox82">Yes</td>
<td class="yes obsolete" data-browser="firefox83">Yes</td>
<td class="yes obsolete" data-browser="firefox84">Yes</td>
<td class="yes obsolete" data-browser="firefox85">Yes</td>
<td class="yes obsolete" data-browser="firefox86">Yes</td>
<td class="yes obsolete" data-browser="firefox87">Yes</td>
<td class="yes obsolete" data-browser="firefox88">Yes</td>
<td class="yes obsolete" data-browser="firefox89">Yes</td>
<td class="yes" data-browser="firefox90">Yes</td>
<td class="yes" data-browser="firefox91">Yes</td>
<td class="yes unstable" data-browser="firefox92">Yes</td>
<td class="yes unstable" data-browser="firefox93">Yes</td>
<td class="yes obsolete" data-browser="opera12_10">Yes</td>
<td class="yes obsolete" data-browser="chrome85">Yes</td>
<td class="yes obsolete" data-browser="chrome86">Yes</td>
<td class="yes obsolete" data-browser="chrome87">Yes</td>
<td class="yes obsolete" data-browser="chrome88">Yes</td>
<td class="yes obsolete" data-browser="chrome89">Yes</td>
<td class="yes" data-browser="chrome90">Yes</td>
<td class="yes" data-browser="chrome91">Yes</td>
<td class="yes" data-browser="chrome92">Yes</td>
<td class="yes unstable" data-browser="chrome93">Yes</td>
<td class="yes unstable" data-browser="chrome94">Yes</td>
<td class="yes obsolete" data-browser="edge18">Yes</td>
<td class="yes obsolete" data-browser="edge83">Yes</td>
<td class="yes obsolete" data-browser="edge84">Yes</td>
<td class="yes obsolete" data-browser="edge85">Yes</td>
<td class="yes obsolete" data-browser="edge86">Yes</td>
<td class="yes obsolete" data-browser="edge87">Yes</td>
<td class="yes obsolete" data-browser="edge88">Yes</td>
<td class="yes" data-browser="edge89">Yes</td>
<td class="yes" data-browser="edge90">Yes</td>
<td class="yes obsolete" data-browser="safari12_1">Yes</td>
<td class="yes obsolete" data-browser="safari13">Yes</td>
<td class="yes obsolete" data-browser="safari13_1">Yes</td>
<td class="yes" data-browser="safari14">Yes</td>
<td class="yes" data-browser="safari14_1">Yes</td>
<td class="yes unstable" data-browser="safari15">Yes</td>
<td class="yes unstable" data-browser="safaritp">Yes</td>
<td class="yes unstable" data-browser="webkit">Yes</td>
<td class="yes obsolete" data-browser="opera69">Yes</td>
<td class="yes obsolete" data-browser="opera70">Yes</td>
<td class="yes obsolete" data-browser="opera71">Yes</td>
<td class="yes obsolete" data-browser="opera72">Yes</td>
<td class="yes obsolete" data-browser="opera73">Yes</td>
<td class="yes obsolete" data-browser="opera74">Yes</td>
<td class="yes" data-browser="opera75">Yes</td>
<td class="yes" data-browser="opera76">Yes</td>
<td class="yes obsolete" data-browser="rhino1_7_13">Yes</td>
<td class="yes obsolete" data-browser="phantom2_1">Yes</td>
<td class="yes obsolete" data-browser="node0_10">Yes</td>
<td class="yes obsolete" data-browser="node0_12">Yes</td>
<td class="yes obsolete" data-browser="node4">Yes</td>
<td class="yes obsolete" data-browser="node6_5">Yes</td>
<td class="yes obsolete" data-browser="node7">Yes</td>
<td class="yes obsolete" data-browser="node7_6">Yes</td>
<td class="yes obsolete" data-browser="node8">Yes</td>
<td class="yes obsolete" data-browser="node8_3">Yes</td>
<td class="yes obsolete" data-browser="node8_7">Yes</td>
<td class="yes" data-browser="node8_10">Yes</td>
<td class="yes obsolete" data-browser="node10_0">Yes</td>
<td class="yes obsolete" data-browser="node10_4">Yes</td>
<td class="yes" data-browser="node10_9">Yes</td>
<td class="yes obsolete" data-browser="node11_0">Yes</td>
<td class="yes obsolete" data-browser="node12_0">Yes</td>
<td class="yes obsolete" data-browser="node12_5">Yes</td>
<td class="yes obsolete" data-browser="node12_9">Yes</td>
<td class="yes" data-browser="node12_11">Yes</td>
<td class="yes" data-browser="node13_0">Yes</td>
<td class="yes" data-browser="node13_2">Yes</td>
<td class="yes" data-browser="node14_0">Yes</td>
<td class="yes" data-browser="node14_5">Yes</td>
<td class="yes" data-browser="node14_6">Yes</td>
<td class="yes" data-browser="node15_0">Yes</td>
<td class="yes" data-browser="node16_0">Yes</td>
<td class="no obsolete" data-browser="duktape2_0">No</td>
<td class="no obsolete" data-browser="duktape2_1">No</td>
<td class="no obsolete" data-browser="duktape2_2">No</td>
<td class="no" data-browser="duktape2_3">No</td>
<td class="yes obsolete" data-browser="graalvm19">Yes</td>
<td class="yes" data-browser="graalvm19_3_6">Yes</td>
<td class="yes obsolete" data-browser="graalvm20">Yes</td>
<td class="yes obsolete" data-browser="graalvm20_1">Yes</td>
<td class="yes obsolete" data-browser="graalvm20_3">Yes</td>
<td class="yes" data-browser="graalvm20_3_1">Yes</td>
<td class="yes" data-browser="graalvm21">Yes</td>
<td class="yes obsolete" data-browser="android4_4">Yes</td>
<td class="yes obsolete" data-browser="android4_4_3">Yes</td>
<td class="yes obsolete" data-browser="ios10_3">Yes</td>
<td class="yes obsolete" data-browser="ios11">Yes</td>
<td class="yes obsolete" data-browser="ios11_3">Yes</td>
<td class="yes" data-browser="ios12">Yes</td>
<td class="yes" data-browser="ios12_2">Yes</td>
<td class="yes" data-browser="ios13">Yes</td>
<td class="yes" data-browser="ios13_4">Yes</td>
<td class="yes" data-browser="ios14">Yes</td>
<td class="yes unstable" data-browser="ios15">Yes</td>
<td class="yes" data-browser="samsung12">Yes</td>
<td class="yes" data-browser="samsung13">Yes</td>
<td class="yes" data-browser="samsung14">Yes</td>
<td class="yes unstable" data-browser="samsung15">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile57">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile58">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile59">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile60">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile61">Yes</td>
<td class="yes" data-browser="opera_mobile62">Yes</td>
<td class="yes" data-browser="opera_mobile63">Yes</td>
</tr>
<tr significance="0.125"><td id="test-Hashbang_Grammar"><span><a class="anchor" href="#test-Hashbang_Grammar">§</a><a href="https://github.com/tc39/proposal-hashbang/">Hashbang Grammar</a> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Hashbang_comments" title="MDN documentation"><img src="../mdn.png" alt="MDN (Mozilla Development Network) logo" width="15" height="13"></a> </span><script data-source="
try {
return !eval('#!/wash/your/hands');
} catch (e) {
return false
}
">test(function(){try{var asyncTestPassed=global.__asyncPassedFn && __asyncPassedFn("4");try{return Function("asyncTestPassed","\ntry {\n return !eval('#!/wash/your/hands');\n} catch (e) {\n return false\n}\n ")(asyncTestPassed)}catch(e){asyncTestPassed=global.__strictAsyncPassedFn && __strictAsyncPassedFn("4");return Function("asyncTestPassed","'use strict';"+"\ntry {\n return !eval('#!/wash/your/hands');\n} catch (e) {\n return false\n}\n ")(asyncTestPassed)&&"Strict"}}catch(e){return false;}}());
</script></td>
<td class="unknown obsolete" data-browser="tr">?</td>
<td class="unknown obsolete" data-browser="babel6corejs2">?</td>
<td class="unknown obsolete" data-browser="babel7corejs2">?</td>
<td class="no" data-browser="babel7corejs3">No</td>
<td class="no obsolete" data-browser="closure20190121">No</td>
<td class="no obsolete" data-browser="closure20200101">No</td>
<td class="no obsolete" data-browser="closure20200112">No</td>
<td class="no obsolete" data-browser="closure20200315">No</td>
<td class="no obsolete" data-browser="closure20200517">No</td>
<td class="no obsolete" data-browser="closure20200614">No</td>
<td class="no obsolete" data-browser="closure20200927">No</td>
<td class="no" data-browser="closure20210808">No</td>
<td class="unknown obsolete" data-browser="typescript1corejs2">?</td>
<td class="unknown obsolete" data-browser="typescript2_9corejs2">?</td>
<td class="unknown obsolete" data-browser="typescript3_2corejs2">?</td>
<td class="no obsolete" data-browser="typescript3_6corejs3">No</td>
<td class="no obsolete" data-browser="typescript3_7corejs3">No</td>
<td class="no obsolete" data-browser="typescript3_8corejs3">No</td>
<td class="no obsolete" data-browser="typescript3_9corejs3">No</td>
<td class="no" data-browser="typescript4corejs3">No</td>
<td class="yes obsolete" data-browser="firefox68">Yes</td>
<td class="yes" data-browser="firefox78">Yes</td>
<td class="yes obsolete" data-browser="firefox79">Yes</td>
<td class="yes obsolete" data-browser="firefox80">Yes</td>
<td class="yes obsolete" data-browser="firefox81">Yes</td>
<td class="yes obsolete" data-browser="firefox82">Yes</td>
<td class="yes obsolete" data-browser="firefox83">Yes</td>
<td class="yes obsolete" data-browser="firefox84">Yes</td>
<td class="yes obsolete" data-browser="firefox85">Yes</td>
<td class="yes obsolete" data-browser="firefox86">Yes</td>
<td class="yes obsolete" data-browser="firefox87">Yes</td>
<td class="yes obsolete" data-browser="firefox88">Yes</td>
<td class="yes obsolete" data-browser="firefox89">Yes</td>
<td class="yes" data-browser="firefox90">Yes</td>
<td class="yes" data-browser="firefox91">Yes</td>
<td class="yes unstable" data-browser="firefox92">Yes</td>
<td class="yes unstable" data-browser="firefox93">Yes</td>
<td class="no obsolete" data-browser="opera12_10">No</td>
<td class="yes obsolete" data-browser="chrome85">Yes</td>
<td class="yes obsolete" data-browser="chrome86">Yes</td>
<td class="yes obsolete" data-browser="chrome87">Yes</td>
<td class="yes obsolete" data-browser="chrome88">Yes</td>
<td class="yes obsolete" data-browser="chrome89">Yes</td>
<td class="yes" data-browser="chrome90">Yes</td>
<td class="yes" data-browser="chrome91">Yes</td>
<td class="yes" data-browser="chrome92">Yes</td>
<td class="yes unstable" data-browser="chrome93">Yes</td>
<td class="yes unstable" data-browser="chrome94">Yes</td>
<td class="no obsolete" data-browser="edge18">No</td>
<td class="yes obsolete" data-browser="edge83">Yes</td>
<td class="yes obsolete" data-browser="edge84">Yes</td>
<td class="yes obsolete" data-browser="edge85">Yes</td>
<td class="yes obsolete" data-browser="edge86">Yes</td>
<td class="yes obsolete" data-browser="edge87">Yes</td>
<td class="yes obsolete" data-browser="edge88">Yes</td>
<td class="yes" data-browser="edge89">Yes</td>
<td class="yes" data-browser="edge90">Yes</td>
<td class="no obsolete" data-browser="safari12_1">No</td>
<td class="no obsolete" data-browser="safari13">No</td>
<td class="yes obsolete" data-browser="safari13_1">Yes</td>
<td class="yes" data-browser="safari14">Yes</td>
<td class="yes" data-browser="safari14_1">Yes</td>
<td class="yes unstable" data-browser="safari15">Yes</td>
<td class="yes unstable" data-browser="safaritp">Yes</td>
<td class="yes unstable" data-browser="webkit">Yes</td>
<td class="yes obsolete" data-browser="opera69">Yes</td>
<td class="yes obsolete" data-browser="opera70">Yes</td>
<td class="yes obsolete" data-browser="opera71">Yes</td>
<td class="yes obsolete" data-browser="opera72">Yes</td>
<td class="yes obsolete" data-browser="opera73">Yes</td>
<td class="yes obsolete" data-browser="opera74">Yes</td>
<td class="yes" data-browser="opera75">Yes</td>
<td class="yes" data-browser="opera76">Yes</td>
<td class="no obsolete" data-browser="rhino1_7_13">No</td>
<td class="no obsolete" data-browser="phantom2_1">No</td>
<td class="no obsolete" data-browser="node0_10">No</td>
<td class="no obsolete" data-browser="node0_12">No</td>
<td class="no obsolete" data-browser="node4">No</td>
<td class="no obsolete" data-browser="node6_5">No</td>
<td class="no obsolete" data-browser="node7">No</td>
<td class="no obsolete" data-browser="node7_6">No</td>
<td class="no obsolete" data-browser="node8">No</td>
<td class="no obsolete" data-browser="node8_3">No</td>
<td class="no obsolete" data-browser="node8_7">No</td>
<td class="no" data-browser="node8_10">No</td>
<td class="no obsolete" data-browser="node10_0">No</td>
<td class="no obsolete" data-browser="node10_4">No</td>
<td class="no" data-browser="node10_9">No</td>
<td class="no obsolete" data-browser="node11_0">No</td>
<td class="yes obsolete" data-browser="node12_0">Yes</td>
<td class="yes obsolete" data-browser="node12_5">Yes</td>
<td class="yes obsolete" data-browser="node12_9">Yes</td>
<td class="yes" data-browser="node12_11">Yes</td>
<td class="yes" data-browser="node13_0">Yes</td>
<td class="yes" data-browser="node13_2">Yes</td>
<td class="yes" data-browser="node14_0">Yes</td>
<td class="yes" data-browser="node14_5">Yes</td>
<td class="yes" data-browser="node14_6">Yes</td>
<td class="yes" data-browser="node15_0">Yes</td>
<td class="yes" data-browser="node16_0">Yes</td>
<td class="unknown obsolete" data-browser="duktape2_0">?</td>
<td class="unknown obsolete" data-browser="duktape2_1">?</td>
<td class="unknown obsolete" data-browser="duktape2_2">?</td>
<td class="unknown" data-browser="duktape2_3">?</td>
<td class="no obsolete" data-browser="graalvm19">No</td>
<td class="no" data-browser="graalvm19_3_6">No</td>
<td class="no obsolete" data-browser="graalvm20">No</td>
<td class="yes obsolete" data-browser="graalvm20_1">Yes</td>
<td class="yes obsolete" data-browser="graalvm20_3">Yes</td>
<td class="yes" data-browser="graalvm20_3_1">Yes</td>
<td class="yes" data-browser="graalvm21">Yes</td>
<td class="no obsolete" data-browser="android4_4">No</td>
<td class="no obsolete" data-browser="android4_4_3">No</td>
<td class="no obsolete" data-browser="ios10_3">No</td>
<td class="no obsolete" data-browser="ios11">No</td>
<td class="no obsolete" data-browser="ios11_3">No</td>
<td class="no" data-browser="ios12">No</td>
<td class="no" data-browser="ios12_2">No</td>
<td class="no" data-browser="ios13">No</td>
<td class="yes" data-browser="ios13_4">Yes</td>
<td class="yes" data-browser="ios14">Yes</td>
<td class="yes unstable" data-browser="ios15">Yes</td>
<td class="yes" data-browser="samsung12">Yes</td>
<td class="yes" data-browser="samsung13">Yes</td>
<td class="yes" data-browser="samsung14">Yes</td>
<td class="yes unstable" data-browser="samsung15">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile57">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile58">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile59">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile60">Yes</td>
<td class="yes obsolete" data-browser="opera_mobile61">Yes</td>
<td class="yes" data-browser="opera_mobile62">Yes</td>
<td class="yes" data-browser="opera_mobile63">Yes</td>
</tr>
<tr class="supertest" significance="0.125"><td id="test-.at()_method_on_the_built-in_indexables"><span><a class="anchor" href="#test-.at()_method_on_the_built-in_indexables">§</a><a href="https://github.com/tc39/proposal-relative-indexing-method/">.at() method on the built-in indexables</a></span></td>
<td class="tally obsolete" data-browser="tr" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="babel6corejs2" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="babel7corejs2" data-tally="0">0/3</td>
<td class="tally" data-browser="babel7corejs3" data-tally="0.6666666666666666" style="background-color:hsl(80,56%,50%)">2/3</td>
<td class="tally obsolete" data-browser="closure20190121" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="closure20200101" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="closure20200112" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="closure20200315" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="closure20200517" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="closure20200614" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="closure20200927" data-tally="0">0/3</td>
<td class="tally" data-browser="closure20210808" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="typescript1corejs2" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="typescript2_9corejs2" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="typescript3_2corejs2" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="typescript3_6corejs3" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="typescript3_7corejs3" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="typescript3_8corejs3" data-tally="0">0/3</td>
<td class="tally obsolete" data-browser="typescript3_9corejs3" data-tally="0">0/3</td>