JavaScript 中的类与静态方法

JavaScript 中的类与静态方法

javascript
class Person {
  constructor(name, age) {
    this.name = name;
    this.age = age;
  }
  sayHello() {
    console.log(`Hello, my name is ${this.name} and I am ${this.age} years old.`);
  }
}
const john = new Person("John", 25);
john.sayHello(); // 输出：Hello, my name is John and I am 25 years old.

javascript
class MathUtils {
  static multiply(a, b) {
    return a * b;
  }
}
const result = MathUtils.multiply(5, 10);
console.log(result); // 输出：50