提取url的搜索字符串中的参数

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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <html>
        <button onclick="demo()">按钮1</button>
    </html>
    <!-- 提取url的搜索字符串中的参数 https://www.baidu.com/s?ie=UTF-8&wd=微信公众平台-->
     <script>
         function urlArgs(){
             var args = {}; // 定义一个空对象
            //  var query = location.search.substring(1); // 查找到查询串，并去掉'?'
            var query = 'ie=UTF-8&wd=微信公众平台';
             console.log('查找的字符串：'+query); // ie=UTF-8&wd=微信公众平台
             var pairs = query.split("&"); // 根据"&"符号将查询字符串分隔开
             console.log('分割成数组形式'+pairs)
             for(var i = 0; i<pairs.length;i++){ // 对于每个判断
                var pos=pairs[i].indexOf('='); //查找“name=value”
                if(pos==-1) continue; // 如果没有找到的话，就跳过
                console.log('找到等号的下标：'+pos);
                var name = pairs[i].substring(0,pos); // 提取name
                var value = pairs[i].substring(pos+1); // 提取value
                args[name] = value; // 存储为属性
                console.log('分离的键值对')
                console.log(args)
             }
             return args; // 返回解析后的参数
         }
        var argss = urlArgs();
        function demo(){
            var argss = urlArgs();
        }
     </script>
</body>
</html>