返回字符串给js

function getGreeting() {
    return "Hello, World!";
}

console.log(getGreeting()); // 输出: Hello, World!

function getPersonalizedGreeting(name) {
    return `Hello, ${name}!`;
}

console.log(getPersonalizedGreeting("Alice")); // 输出: Hello, Alice!

const fruits = ["apple", "banana", "cherry"];
function getFirstFruit() {
    return fruits[0];
}

console.log(getFirstFruit()); // 输出: apple

const user = {
    firstName: "John",
    lastName: "Doe"
};

function getFullName(user) {
    return `${user.firstName} ${user.lastName}`;
}

console.log(getFullName(user)); // 输出: John Doe