matman/tmp/t3.js

function delayCallWithPromise(actionPromiseFunc, delay) {
    return new Promise((resolve, reject) => {
        setTimeout(() => {
            actionPromiseFunc
                .then((data) => {
                    resolve(data);
                })
                .catch((err) => {
                    reject(err);
                });
        }, delay);
    });
}

function testPromise() {
    console.log('=====testPromise=====');
    return Promise.resolve('hello');
}

async function test() {
    console.log('--before--');
    await testPromise();
    console.log('--after--');
}

test().then((data) => {
    console.log(data);
}).catch((err) => {
    console.error(err);
});

async function test2() {
    console.log('--before2--');
    setTimeout(async () => {
        await testPromise();
    }, 1000);

    console.log('--after2--');
}

test2().then((data) => {
    console.log(data);
}).catch((err) => {
    console.error(err);
});