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JavaScript 3d transform CSS feature detection
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| // Adds the class 'csstransforms3d' if the browser supports 3d transforms | |
| // Stripped down version of Modernizr's detection: https://github.com/Modernizr/Modernizr/blob/master/feature-detects/css/transforms3d.js | |
| // Assumes the script is always being run in the <head> - will create a body element. Should work outside the head, but is untested | |
| (function(document) { | |
| var docElem = document.documentElement, | |
| div = document.createElement('div'), | |
| body = document.createElement('body'); | |
| ret = false, | |
| properties = 'p# p#Property WebkitP# MozP# OP# msP#'.replace(/[#]/g, 'erspective').split(' '); | |
| for(var i = properties.length - 1; i >= 0; i--){ | |
| ret = ret ? ret : div.style[properties[i]] != undefined; | |
| }; | |
| // webkit may have 3d transforms disabled for chrome, despite recongising the syntax, so we actually have to check it's working | |
| if(ret && 'webkitPerspective' in docElem.style) { | |
| body.innerHTML += '<style>@media (transform-3d),(-webkit-transform-3d){*{height:3px}}</style>'; | |
| body.appendChild(div); | |
| docElem.appendChild(body); | |
| ret = div.offsetHeight === 3; | |
| docElem.removeChild(body); | |
| } | |
| if(ret) { | |
| docElem.className += ' csstransforms3d'; | |
| } | |
| })(document); |
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| (function(a){var b=a.documentElement,c=a.createElement("div");a=a.createElement("body");ret=!1;properties="p# p#Property WebkitP# MozP# OP# msP#".replace(/[#]/g,"erspective").split(" ");for(var d=properties.length-1;0<=d;d--)ret=ret?ret:void 0!=c.style[properties[d]];ret&&"webkitPerspective"in b.style&&(a.innerHTML+="<style>@media (transform-3d),(-webkit-transform-3d){*{height:3px}}</style>",a.appendChild(c),b.appendChild(a),ret=3===c.offsetHeight,b.removeChild(a));ret&&(b.className+=" csstransforms3d")})(document); |
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