js回调函数本身

function asyncOperation() {
    return new Promise((resolve, reject) => {
        setTimeout(() => {
            const success = true;
            if (success) {
                resolve('操作成功');
            } else {
                reject('操作失败');
            }
        }, 1000);
    });
}

asyncOperation()
    .then(result => {
        console.log(result);
    })
    .catch(error => {
        console.error(error);
    });

async function performAsyncTask() {
    try {
        const result = await asyncOperation();
        console.log(result);
    } catch (error) {
        console.error(error);
    }
}

performAsyncTask();