[Fix] Apparently in IE 8, RegExp#test is an own property of regexes, …

…not a prototype method.
paulmillr · Sep 28, 2015 · e5e1a34 · e5e1a34
1 parent 9e568f1
commit e5e1a34
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/es6-shim.js b/es6-shim.js
@@ -1134,8 +1134,11 @@
 
   if (Number('0o10') !== 8 || Number('0b10') !== 2) {
     var OrigNumber = Number;
-    var isBinary = Function.bind.call(Function.call, RegExp.prototype.test, /^0b/i);
-    var isOctal = Function.bind.call(Function.call, RegExp.prototype.test, /^0o/i);
+    var binaryRegex = /^0b/i;
+    var octalRegex = /^0o/i;
+    // Note that in IE 8, RegExp.prototype.test doesn't seem to exist: ie, "test" is an own property of regexes. wtf.
+    var isBinary = binaryRegex.test.bind(binaryRegex);
+    var isOctal = octalRegex.test.bind(octalRegex);
     var toPrimitive = function (O) { // need to replace this with `es-to-primitive/es6`
       var result;
       if (typeof O.valueOf === 'function') {