需求：实现一个九宫格布局，每个格子都有个删除按钮，点击按钮删除当前的宫格
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| <html>
<head>
<title></title>
</head>
<style type="text/css">
*{padding: 0; margin: 0}
ul{display: flex; width: 300px;flex-wrap: wrap; list-style-type: none; margin:50px;}
li{
flex:0 0 100px;
height: 100px;
line-height: 100px;
text-align: center;
border: 4px solid #ccc;
box-sizing: border-box;
margin-top: -4px;
margin-right: -4px;
}
li:hover{
border-color: red;
z-index: 2
}
</style>
<body>
<ul id="list">
<li>1 <span class="del">X</span></li>
<li>2 <span class="del">X</span></li>
<li>3 <span class="del">X</span></li>
<li>4 <span class="del">X</span></li>
<li>5 <span class="del">X</span></li>
<li>6 <span class="del">X</span></li>
<li>7 <span class="del">X</span></li>
<li>8 <span class="del">X</span></li>
<li>9 <span class="del">X</span></li>
</ul>
<script type="text/javascript">
class List{
constructor(dom){
this.ulObj = document.getElementById(dom);
this.ulObj.addEventListener('click',(e)=>{
if(e.target.className === 'del') {
this.removeItem(e.target)
}
})
}
removeItem(target){
let parent = target.parentNode
this.ulObj.removeChild(parent)
}
}
window.addEventListener('DOMContentLoaded',function(){
new List('list')
})
</script>
</body>
</html>
|