web-base--/tmp/tmp2.js

// ==UserScript==
// @name         T-askai-清空对话
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @require      https://web.tianyunperfect.cn/simple/js/util.js
// @author       You
// @match        https://askchat.ai/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=askchat.ai
// ==/UserScript==

(async () =>  {
    'use strict';

    // Your code here...
    unsafeWindow.confirm = () => {
        return 1
    };


    console.log("T-askai-清空对话");
    // 查找id以chat开头的a标签
    let a = await getDom("a[id^='chat']");
    console.log(a);
    // 点击a标签
    if (a) {
        // 在a里查找onclick 以del开头的btn
        let btn = a.querySelector("button[onclick^='del']");
        console.log(btn);
        if (btn) {
            // 点击btn
            btn.click();
        }
    }

})();