js 参数为函数

function greet(name, callback) {
    console.log('Hello, ' + name);
    callback();
}

greet('World', function() {
    console.log('Greeting completed!');
});

function multiply(x, y) {
    return x * y;
}

const double = multiply.bind(null, 2);
console.log(double(5)); // 输出: 10

function curry(fn) {
    const args = Array.prototype.slice.call(arguments, 1);
    return function() {
        const innerArgs = Array.prototype.slice.call(arguments);
        const finalArgs = args.concat(innerArgs);
        return fn.apply(null, finalArgs);
    };
}

function add(a, b) {
    return a + b;
}

const curriedAdd = curry(add, 5);
console.log(curriedAdd(3)); // 输出: 8

function asyncOperation() {
    return new Promise((resolve, reject) => {
        setTimeout(() => resolve('Success!'), 1000);
    });
}

asyncOperation()
    .then(result => {
        console.log(result);
        return 'Next step';
    })
    .then(nextResult => {
        console.log(nextResult);
    });

async function run() {
    const result = await asyncOperation();
    console.log(result);
    const nextResult = 'Next step';
    console.log(nextResult);
}

run();