Sha256: c56f25ede7c7945c2350425f4c7bfd2cfa784b15ffcb570e10c6e8f5c1335fb3
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Size: 1.04 KB
Versions: 10
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Stored size: 1.04 KB
Contents
/** @scope window
Polyfill for cross-browser backwards compatible window.requestAnimationFrame
support.
Via Erik Möller:
http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
*/
(function() {
var lastTime = 0;
var vendors = ['ms', 'moz', 'webkit', 'o'];
for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
window.cancelRequestAnimationFrame = 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);
};
}())
Version data entries
10 entries across 10 versions & 1 rubygems