解析URL

new URL()

• 获取到url对象

new URLSearchParams()

• 获取到参数对象

var url ="https://www.baidu.com/m?f=8&ie=utf-8&rsv_bp=1&tn=monline_3_dg&wd=session";

var paramObj = new URLSearchParams(url);

console.log(paramObj.get('wd')) // session