js 做的今日头条
<body>
<ul>
</ul>
<div>
<button>语文</button>
<button>数学</button>
<button>英语</button>
<button>政治</button>
<button>历史</button>
<button>地理</button>
<button>体育</button>
</div>
<script>
var ul=document.getElementsByTagName("ul")[0];
var btns=document.getElementsByTagName("button");
for(var i=0;i<btns.length;i++){
btns[i].onclick=function(){
var nli=document.createElement("li");
nli.innerHTML=this.innerHTML+"<span>✖</span>";
ul.append(nli);
var span=nli.getElementsByTagName("span")[0];
span.onclick=function(){
ul.removeChild(this.parentNode);
}
}
}
</script>
</body>
