[jQuery] toggle(speed,callback)

<a href=# id="toggleBtn"><span style="font-size: large;">
Click me !!!</span></a>

<div id="info1">
<span style="font-size: large;">來去洗澡 !!!</span></div>

<div id="info2">來去吃飯 !!!

</div>

<script>
$(document).ready(function(){
$('#info1').hide();
$('#toggleBtn').click(function(){
$('#info1').toggle('slow', function(){
$('#info2').toggle('fast');
});
});
});
</script>