試一試 - jQuery eff_queue

<!DOCTYPE html>
<html>
<head>
<script src="/lib/jquery-1.12.2.min.js"></script>
<script> 
$(document).ready(function(){
    var div = $("div");
    $("#start").click(function(){
        div.animate({height: 300}, "slow");
        div.animate({width: 300}, "slow");
        div.queue(function () {
            div.css("background-color", "red");  
            div.dequeue();
        });
        div.animate({height: 100}, "slow");
        div.animate({width: 100}, "slow");
    });
    $("#stop").click(function(){
        div.clearQueue();
    });
});
</script> 
</head>
<body>

<p>The queue() method shows the queue of functions to be executed on the selected elements.</p>
<p>The dequeue() method removes the next function from the queue, and then executes the function.</p>
<p>The clearQueue() removes all items from the queue that have not yet been run.<p>

<p>
<button id="start">Start Animation</button>
<button id="stop">Stop Animation</button>
</p>