Speed Up requestAnimationFrame - based Javascript Animation

fastanimation.js

var oldRequestAnimationFrame = window.requestAnimationFrame;
window.requestAnimationFrame = function(cb) {
  var numExtra = 60;
  oldRequestAnimationFrame(function(time) { 
    for (var i = 0; i < numExtra; i++) {
      cb(time + 60*1000)
    }
  });
};