window.cancelAnimationFrame()

Cancela la petición de animación previamente programada a través de window.requestAnimationFrame().

window.cancelAnimationFrame(requestID);

ID de la petición

El valor del ID regresado por la llamada a window.requestAnimationFrame() que solicitó una llamada de vuelta.

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);

• Timing control for script-based animations: cancelAnimationFrameWD

• window.mozAnimationStartTime
• window.requestAnimationFrame()