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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
Summary
Cancels an animation frame request previously scheduled through a call to window.requestAnimationFrame().
Syntax
window.cancelAnimationFrame(requestID);
Note: Prior to Firefox 23, the function is vendor-prefixed window.mozCancelAnimationFrame(). See the compatibility table, below, for other browser implementations.
Parameters
requestID- The ID value returned by the call to
window.requestAnimationFrame()that requested the callback.
Examples
var requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame ||
window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;
var cancelAnimationFrame = window.cancelAnimationFrame || window.mozCancelAnimationFrame;
var start = window.mozAnimationStartTime; // Only supported in FF. Other browsers can use something like Date.now().
var myReq;
function step(timestamp) {
var progress = timestamp - start;
d.style.left = Math.min(progress/10, 200) + "px";
if (progress < 2000) {
myReq = requestAnimationFrame(step);
}
}
myReq = requestAnimationFrame(step);
window.cancelAnimationFrame(myReq);
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 21.0 webkit 24.0 |
11.0 (11.0) moz 23.0 |
10 | 15.0 | 6.0 webkit 6.1 |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | 4.4 | 33 | 11.0 (11.0) moz 23.0 |
10 | 33 | 7.1 |
Specification
See also
Etiquetas do documento e colaboradores
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Colaboradores desta página:
henryzhu,
SandipNirmal,
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Última atualização por:
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