<html>
<body>
<h1>Window Location 对象</h1>
<h2>search 属性</h2>
<p>
<a id="w3s" href="https://www.w3school.com.cn/?answer=yes">
https://www.w3school.com.cn/?answer=yes
</a>
</p>
<p id="demo"></p>
<script>
let anchor = document.getElementById("w3s");
let query = anchor.search;
document.getElementById("demo").innerHTML = "URL 的查询部分是:" + query;
</script>
</body>
</html>