js string 格式化

let name = "Alice";
let age = 30;
let greeting = `Hello, my name is ${name} and I am ${age} years old.`;
console.log(greeting); // 输出: Hello, my name is Alice and I am 30 years old.

let message = "Hello, {name}!";
let formattedMessage = message.replace("{name}", "Bob");
console.log(formattedMessage); // 输出: Hello, Bob!

let firstName = "John";
let lastName = "Doe";
let fullName = firstName + " " + lastName;
console.log(fullName); // 输出: John Doe

// 错误的示例
let incorrect = `This is an incorrect template string';

// 正确的示例
let correct = `This is a correct template string`;

// 错误的示例
let message = "Hello, {name}!";
let formattedMessage = message.replace("{name", "Bob"); // 查找模式不完整

// 正确的示例
let formattedMessageCorrect = message.replace("{name}", "Bob");