Skip to content

Instantly share code, notes, and snippets.

@shapeshed

shapeshed/index.html

Created November 27, 2013 14:45
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save shapeshed/7676822 to your computer and use it in GitHub Desktop.
Save shapeshed/7676822 to your computer and use it in GitHub Desktop.
Download ZIP
Forced synchronous layout is a possible performance bottleneck.
Raw
index.html
<html>
<head>
<script src="http://code.jquery.com/jquery-1.10.2.min.js"></script>
<script>
(function() {
var lastTime = 0;
var vendors = ['ms', 'moz', 'webkit', 'o'];
for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame']
|| window[vendors[x]+'CancelRequestAnimationFrame'];
}
if (!window.requestAnimationFrame)
window.requestAnimationFrame = function(callback, element) {
var currTime = new Date().getTime();
var timeToCall = Math.max(0, 16 - (currTime - lastTime));
var id = window.setTimeout(function() { callback(currTime + timeToCall); },
timeToCall);
lastTime = currTime + timeToCall;
return id;
};
if (!window.cancelAnimationFrame)
window.cancelAnimationFrame = function(id) {
clearTimeout(id);
};
}());
</script>
</head>
<body>
<form>
<input type="text">
<input type="submit">
</form>
</body>
<script>
var clearForm = function () {
$('input[type=text]').val('');
}
$('form').submit(function(event) {
event.preventDefault()
//requestAnimationFrame(clearForm);
clearForm();
});
</script>
</html>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment