字符串模板（使用反引号 ``）的一些用法

const name = 'Alice';
const age = 25;
const greeting = `Hello, my name is ${name} and I'm ${age} years old.`;
console.log(greeting);
// 输出: Hello, my name is Alice and I'm 25 years old.

const a = 5;
const b = 10;
const result = `The sum of ${a} and ${b} is ${a + b}.`;
console.log(result);
// 输出: The sum of 5 and 10 is 15.

const message = `
  This is a
  multiline
  string.
`;
console.log(message);
// 输出:
// This is a
// multiline
// string.

const name = 'Bob';
const greeting = `Hello, ${`my name is ${name}`}.`;
console.log(greeting);
// 输出: Hello, my name is Bob.