39 lines
1,018 B
JavaScript
39 lines
1,018 B
JavaScript
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/**
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* Provides requestAnimationFrame/cancelRequestAnimation in a cross browser way.
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* from paul irish + jerome etienne
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* - http://paulirish.com/2011/requestanimationframe-for-smart-animating/
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* - http://notes.jetienne.com/2011/05/18/cancelRequestAnimFrame-for-paul-irish-requestAnimFrame.html
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*/
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if ( !window.requestAnimationFrame ) {
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window.requestAnimationFrame = ( function() {
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return window.webkitRequestAnimationFrame ||
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window.mozRequestAnimationFrame ||
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window.oRequestAnimationFrame ||
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window.msRequestAnimationFrame ||
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function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element ) {
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return window.setTimeout( callback, 1000 / 60 );
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};
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} )();
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}
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if ( !window.cancelRequestAnimationFrame ) {
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window.cancelRequestAnimationFrame = ( function() {
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return window.webkitCancelRequestAnimationFrame ||
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window.mozCancelRequestAnimationFrame ||
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window.oCancelRequestAnimationFrame ||
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window.msCancelRequestAnimationFrame ||
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clearTimeout
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} )();
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}
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