js获取网页连接的属性参数

        function GetRequest2(key)
         {
            var url = location.search;  
            var theRequest = new Object();
            if (url.indexOf("?") != -1) 
            {
                var str = url.substr(1);
                strs = str.split("&");
                for (var i = 0; i < strs.length; i++) 
                {
                    theRequest[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1]);
                }
            }
            var value = theRequest[key];
            return value;
         }
        
        
        // 获取链接的H5_id
        let getUrl_h5_id = GetRequest2('h5_id');
        console.log(typeof getUrl_h5_id);
        
        // 给title赋值,改变网页显示头部
        
        if(getUrl_h5_id == '51' || getUrl_h5_id == '52'){
            document.title = '51，,52';
            console.log('51，52');
        }else if(getUrl_h5_id == '16'){
            document.title = '16';
            console.log('16');
        }