window.cancelAnimationFrame

这是一个实验中的功能
此功能某些浏览器尚在开发中，请参考浏览器兼容性表格以得到在不同浏览器中适合使用的前缀。由于该功能对应的标准文档可能被重新修订，所以在未来版本的浏览器中该功能的语法和行为可能随之改变。

概述

取消一个先前通过调用window.requestAnimationFrame()方法添加到计划中的动画帧请求.

语法

window.mozCancelAnimationFrame(requestID);               // Firefox

参数

requestID
先前调用window.requestAnimationFrame()方法时返回的ID.

示例

var requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame ||
                            window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;

var cancelAnimationFrame = window.cancelAnimationFrame || window.mozCancelAnimationFrame;

var start = window.mozAnimationStartTime;  // 只有Firefox支持mozAnimationStartTime属性,其他浏览器可以使用Date.now()来替代.

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);

浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support

21.0 webkit

24.0 脱前缀

11.0 (11.0) moz 

 10 ?

6.0 webkit
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support ?

?

 11.0 (11.0) moz ? ? ?

规范

Timing control for script-based animations: cancelAnimationFrameWD

相关链接