CodePen Embed - jq_practice

<button class="btn">按鈕</button>
<div class="box"></div>

.box{
  width: 200px;
  height: 200px;
  background-color:black;
}

$(document).ready(function(){
 $('.btn').click(function(){
   $('.box').stop().slideToggle(3000);
 })
})

This Pen is owned by Randy on CodePen.

This Pen doesn't use any external CSS resources.