<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
</head>
<body>
<button onclick="getInfo();">获取信息</button>
<script>
function getInfo() {
//获取当前网址，如： http://localhost:8081/index
var curWwwPath = window.document.location.href;
//获取主机地址之后的目录，如： idnex
var pathName = window.document.location.pathname;
var pos = curWwwPath.indexOf(pathName);
//获取主机地址，如： http://localhost:8081
var localhostPaht = curWwwPath.substring(0, pos);
alert(curWwwPath);
}
</script>
</body>
</html>
html obtain the address bar information
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Origin www.cnblogs.com/lick468/p/10942096.html
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