Created
May 27, 2014 08:41
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(function(window){ | |
var lastTime = 0; | |
var vendors = ['webkit', 'moz', 'ms']; | |
for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) { | |
window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame']; | |
window.cancelAnimationFrame = | |
window[vendors[x]+'CancelAnimationFrame'] || window[vendors[x]+'CancelRequestAnimationFrame']; | |
} | |
if (!window.requestAnimationFrame) { | |
window.requestAnimationFrame = function(callback, element) { | |
var currTime = new Date().getTime(); | |
var timeToCall = Math.max(0, 16 - (currTime - lastTime)); | |
var id = window.setTimeout(function() { callback(currTime + timeToCall); }, | |
timeToCall); | |
lastTime = currTime + timeToCall; | |
return id; | |
} | |
} | |
if (!window.cancelAnimationFrame) { | |
window.cancelAnimationFrame = function(id) { | |
clearTimeout(id); | |
} | |
} | |
})(this); |
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