<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
</head>
<body>
<ul id="myList"><li>Coffee</li><li>Tea</li><li>Milk</li></ul>
<p id="demo">单击按钮移除列表的第一项</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
var list=document.getElementById("myList");
list.removeChild(list.childNodes[0]);
}
</script>
</body>
</html>
