window.cancelAnimationFrame()

Summary

Cancels an animation frame request previously scheduled through a call to window.requestAnimationFrame().

Syntax

window.cancelAnimationFrame(requestID);

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);
cancelAnimationFrame(myReq);

Browser compatibility

Specification

• Timing control for script-based animations: cancelAnimationFrameWD

See also

• window.mozAnimationStartTime
• window.requestAnimationFrame()