npm install selenium-webdriver --save

const {
    Builder,
    By,
    Key,
    until
} = require(‘selenium-webdriver‘); //解构赋值 需要的参数

(async function example() {
    let driver = await new Builder().forBrowser(‘firefox‘).build();
    try {
        await driver.get(‘https://www.baidu.com/‘); //打开那个网址
        await driver.findElement(By.name(‘wd‘)).sendKeys(‘selenium-webdriver‘, Key.RETURN);//标签name=‘wd‘ 按下回车后
        await driver.wait(until.titleIs(‘selenium-webdriver_百度搜索‘), 1000);//如果页面title是selenium-webdriver_百度搜索  1s后成功
} finally { await driver.quit(); //做任何测试必须做退出  } })();

node ./e2e/index.js