Description: Globally disable all animations.
When this property is set to true, all animation methods will immediately set elements to their final state when called, rather than displaying an effect. This may be desirable for a couple reasons:
Animations can be turned back on by setting the property to false.
<!DOCTYPE html>
<html>
<head>
<style>
div { width:50px; height:30px; margin:5px; float:left;
background:green; }
</style>
<script src="https://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
<p><input type="button" value="Run"/> <button>Toggle fx</button></p>
<div></div>
<script>
var toggleFx = function() {
$.fx.off = !$.fx.off;
};
toggleFx();
$("button").click(toggleFx)
$("input").click(function(){
$("div").toggle("slow");
});
</script>
</body>
</html>