Simple QQ repeat Bot

bot.js

const {Builder, By, Key, until} = require('selenium-webdriver');

let processed_text = {};

(async function do_fetch() {
  let driver = await new Builder().forBrowser('chrome').build();
  try {
    await driver.get('http://web2.qq.com');
    while(true) {
      await driver.wait(until.elementLocated(By.id("panelTitle-5")));
      console.log("Title located");
      let title = await driver.findElement(By.id("panelTitle-5")).getText();
      console.log(`Title found ${title}`);
      if (title == "SJTU18级工试新生交流群") {
        while(true) {
          await driver.wait(until.elementLocated(By.className("chat_content")));
          let chats = await driver.findElements(By.className("chat_content"));
          try {
            for (chat of chats) {
              let message = await chat.getText();
              let id = await chat.getId();
              if (!message.startsWith('+1') && message.trim() != "") {
                let textarea = await driver.findElement(By.id("chat_textarea"));
                let button = await driver.findElement(By.id("send_chat_btn"));
                await driver.executeScript("arguments[0].setAttribute(arguments[1], arguments[2]);", 
                chat, "class", "");
                textarea.sendKeys(`+1 ${message}`);
                await driver.sleep(200);
                await button.click();
                console.log(`+1 ${message} sent`);
                await driver.sleep(500);
              }
            }
          }
          catch (e) {
          };
          await driver.sleep(500);
        }
      }
      await driver.sleep(3000);
    }
  } finally {
    await driver.quit();
  }
})();