油猴脚本自动刷新找库存

Problem & Summary

Soltion

// ==UserScript==
// @name         auto-refresh-比如检测斯巴达
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  斯巴达库存检测。
// @author       kzus
// @match        https://billing.spartanhost.net/cart.php*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var x = document.querySelector("#order-boxes > div > h1")
    if(x==null){
        play()
        document.body.style.backgroundColor = "yellow";
        console.log("有库存!!!")
        alert("有库存!!!!!!!");
    }else{
        console.log("没库存")
        //time以毫秒为单位
        let time=10000; // 每10s自动更新
        setTimeout(() => {
            location.reload()
        },time);
    }

})();
function play() {
    var audio = new Audio('https://www.w3school.com.cn/i/horse.mp3');
    audio.crossorigin="anonymous";
    audio.loop=true;
    audio.play();
}

Screenshots