Window: cancelAnimationFrame() method
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The window.cancelAnimationFrame() method cancels an
animation frame request previously scheduled through a call to
window.requestAnimationFrame().
Cú pháp
js
cancelAnimationFrame(requestID)
Parameters
requestID-
The ID value returned by the call to
window.requestAnimationFrame()that requested the callback.
Return value
None (undefined).
Ví dụ
js
const start = document.timeline.currentTime;
let myReq;
function step(timestamp) {
const progress = timestamp - start;
d.style.left = `${Math.min(progress / 10, 200)}px`;
if (progress < 2000) {
// it's important to update the requestId each time you're calling requestAnimationFrame
myReq = requestAnimationFrame(step);
}
}
myReq = requestAnimationFrame(step);
// the cancellation uses the last requestId
cancelAnimationFrame(myReq);
Đặc tả kỹ thuật
| Thông số kỹ thuật |
|---|
| HTML # animationframeprovider-cancelanimationframe |