更漂亮:可选的链式支持

$('.element')
  .css('color', 'red')
  .addClass('highlight')
  .on('click', function() {
    // 点击事件处理逻辑
  });

const express = require('express');
const app = express();

app
  .get('/', function(req, res) {
    // 处理根路径请求的逻辑
    res.send('Hello World!');
  })
  .post('/api/data', function(req, res) {
    // 处理POST请求的逻辑
    res.json({ message: 'Data saved successfully.' });
  });

app.listen(3000, function() {
  console.log('Server started on port 3000');
});

from selenium import webdriver

driver = webdriver.Chrome()
driver.get('https://www.example.com')

driver.find_element_by_id('username').send_keys('testuser')
driver.find_element_by_id('password').send_keys('password')
driver.find_element_by_id('login-button').click()

# 继续执行其他测试步骤...

const MongoClient = require('mongodb').MongoClient;

MongoClient.connect('mongodb://localhost:27017', function(err, client) {
  const db = client.db('mydb');
  const collection = db.collection('users');

  collection
    .find({ age: { $gt: 18 } })
    .sort({ name: 1 })
    .limit(10)
    .toArray(function(err, docs) {
      // 处理查询结果
    });
});

const io = require('socket.io')(server);

io.on('connection', function(socket) {
  socket
    .on('message', function(data) {
      // 处理收到的消息
    })
    .on('disconnect', function() {
      // 处理断开连接事件
    });
});

const bcrypt = require('bcrypt');

bcrypt
  .hash('password', 10)
  .then(function(hash) {
    // 处理加密后的密码
  });