tampermonkey修改页面音频播放地址

// ==UserScript==
// @name         音频地址替换
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        http://ip/sw/qualityAnalyse/qualityOfService/outOfLine/detail*
// @grant        none
// ==/UserScript==

(function() {

function relpaceurl(){

}
function test(){
    var oddaddr=""
    var newaddr=""
    var domNodes1 = document.getElementsByClassName('bar-right')[0];
    var insertElement = document.createElement("button")
    insertElement.value="改"
    insertElement.className="icon std iconxiazai1";
    insertElement.onclick = function(){
       document.getElementsByTagName('audio')[0].src=document.getElementsByTagName('audio')[0].src.replace('ip1','ip2')
        console.log("更改音频地址成功，新地址："+document.getElementsByTagName('audio')[0].src)
    };
    //插入节点
    domNodes1.appendChild(insertElement)
}

    setTimeout(function(){
              test()
         },2000);
})();