​x
 
<!DOCTYPE html>
<html>
<head>
<script src="/jquery/jquery-1.11.1.min.js">
</script>
<script>
$(document).ready(function(){
  $("#disable").click(function(){
    jQuery.fx.off = true;
  });
  $("#enable").click(function(){
    jQuery.fx.off = false;
  });
  $("#toggle").click(function(){
    $("div").toggle("slow");
  });
});
</script>
</head>
<body>
​
<button id="disable">jQuery.fx.off = true ( 禁用 )</button>
<button id="enable">jQuery.fx.off = false ( 启用 )</button>
<br><br>
<button id="toggle">切换动画</button>
​
<div style="background:#98bf21;height:100px;width:100px;margin:50px;">
</div>
​
</body>
</html>
​