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ie7-jsincss.html
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ie7-jsincss.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<head>
<title>JSinCSS in IE7</title>
<!-- IE Polyfills for addEventListener() and querySelectorAll() -->
<script>
/*
* addEventListener polyfill 1.0 / Eirik Backer / MIT Licence
* Forked from http://css-tricks.com/snippets/javascript/addeventlistner-polyfill/
* Adds the native DOM2 function addEventListener on IE6 - 8.
*/
(function (win, doc) {
// If the function already exists, no need to polyfill
if (win.addEventListener) return;
function docHijack(p) {
var old = doc[p];
doc[p] = function (v) {
return addListen(old(v))
}
}
function addEvent(on, fn, self) {
return (self = this).attachEvent('on' + on, function(e) {
var e = e || win.event;
e.preventDefault = e.preventDefault || function(){e.returnValue = false}
e.stopPropagation = e.stopPropagation || function(){e.cancelBubble = true}
try {
fn.call(self, e);
}
catch (e) {}
});
}
function addListen(obj, i) {
if (i = obj.length) while (i--) obj[i].addEventListener = addEvent;
else obj.addEventListener = addEvent;
return obj;
}
addListen([doc, win]);
if ('Element' in win) win.Element.prototype.addEventListener = addEvent; // IE8
else{ // IE < 8
doc.attachEvent('onreadystatechange', function(){addListen(doc.all)}); // Make sure we also init at domReady
docHijack('getElementsByTagName');
docHijack('getElementById');
docHijack('createElement');
addListen(doc.all);
}
})(window, document);
/*
* document.querySelector and querySelectorAll polyfill / Maxime Euzière / public domain
* Forked from: http://xem.github.io/Lazy/
* Adds basic DOM selection on IE6-8 (selection by tag, class or id only)
*/
(function(doc) {
if (doc.querySelectorAll) return;
doc.querySelectorAll = function(a) {
if ("#" == a.charAt(0)) return [doc.getElementById(a.substr(1))];
if ("." == a.charAt(0)) return doc.getElementsByClassName(a.substr(1));
return doc.getElementsByTagName(a);
}
doc.querySelector = function(a) {
return querySelectorAll(a)[0];
}
})(document);
</script>
<!-- JS-in-CSS with Container Queries Mixin -->
<script>
window.addEventListener('load', JSinCSS)
window.addEventListener('resize', JSinCSS)
document.documentElement.addEventListener('keydown', JSinCSS)
document.documentElement.addEventListener('keyup', JSinCSS)
document.documentElement.addEventListener('mousedown', JSinCSS)
document.documentElement.addEventListener('mouseup', JSinCSS)
function JSinCSS(e) {
var styleTag = document.getElementsByTagName('style')
var tag
for (var i=0; i<styleTag.length; i++) {
if (styleTag[i].id == 'JSinCSS') {
tag = styleTag[i]
}
}
if (!tag) {
tag = document.createElement('style')
tag.id = 'JSinCSS'
document.getElementsByTagName('head')[0].appendChild(tag)
}
var css = ''
css += containerQuery('input', 'this.value.length > 5', '$this { background: lime; }')
css += containerQuery('div', 'this.offsetWidth > 500', '$this { background: blue; margin: 1em 0; }')
if (tag.styleSheet) {
tag.styleSheet.cssText = css
} else {
tag.innerHTML = css
}
return true
}
function containerQuery(selector, test, stylesheet) {
var tag = document.querySelectorAll(selector)
var style = ''
var count = 0
for (var i=0; i<tag.length; i++) {
var attr = (selector+test).replace(/[= "'<>+.]/g, '')
var func = new Function('return ' + test)
if (func.call(tag[i])) {
var element = '[data-' + attr + '="' + count + '"]'
var css = stylesheet.replace(/\$this/g, element)
tag[i].setAttribute('data-' + attr, count)
style += css
count++
} else {
tag[i].setAttribute('data-' + attr, '')
}
}
return style
}
</script>
</head>
<body>
<p>Type more than 5 characters into the INPUT below:</p>
<input>
<input>
<p>DIVs below blue if wider than 500px</p>
<div style="width: 100%">100% wide</div>
<div style="width: 66.66%">66.6% wide</div>
<div style="width: 33.33%">33.33% wide</div>
</body>
</html>