js 创建对象数组

let users = [
    { name: 'Alice', age: 25 },
    { name: 'Bob', age: 30 },
    { name: 'Charlie', age: 35 }
];

function User(name, age) {
    this.name = name;
    this.age = age;
}

let users = [
    new User('Alice', 25),
    new User('Bob', 30),
    new User('Charlie', 35)
];

let users = Array.from({ length: 3 }, (_, i) => ({
    name: `User${i + 1}`,
    age: 20 + i * 5
}));

let names = ['Alice', 'Bob', 'Charlie'];
let users = names.map(name => ({ name, age: 25 + names.indexOf(name) * 5 }));

users.forEach(user => {
    console.log(`Name: ${user.name}, Age: ${user.age}`);
});

let user = users.find(u => u.name === 'Alice');
console.log(user); // { name: 'Alice', age: 25 }

let userToUpdate = users.find(u => u.name === 'Alice');
if (userToUpdate) {
    userToUpdate.age = 26;
}
console.log(users);

let index = users.findIndex(u => u.name === 'Alice');
if (index !== -1) {
    users.splice(index, 1);
}
console.log(users);