代码片段仓库

const target = {
  message: "Hello, World!"
};

const handler = {
  get: function (target, prop) {
    return target[prop].replace(/World/g, 'Proxy');
  }
};

const proxy = new Proxy(target, handler);
console.log(proxy.message); // "Hello, Proxy!"

interface User {
  id: number;
  name: string;
  email: string;
  age? : number;  // Optional
}

function printUser(user: User): void {
  console.log(`Name: ${user.name} Email: ${user.email}`);
}

const socket = new WebSocket('ws://example.com');

socket.onopen = function() {
  console.log('Connected');
  socket.send('Hello Server!');
};

socket.onmessage = function(event) {
  console.log('Message from server: ', event.data);
};

socket.onclose = function() {
  console.log('Connection closed');
};

function getCurrentDateTime() {
    const now = new Date();
    const year = now.getFullYear();
    const month = String(now.getMonth() + 1).padStart(2, "0");
    const day = String(now.getDate()).padStart(2, "0");
    const hours = String(now.getHours()).padStart(2, "0");
    const minutes = String(now.getMinutes()).padStart(2, "0");
    
    return `${year}-${month}-${day} ${hours}:${minutes}`;
}

console.log(getCurrentDateTime());