Demo: auto invocated javascript async await stack with promises

async_await_stack

(async () => {

    await (() => {
        return new Promise((resolve, reject) => {
            setTimeout(() => {
                console.log('first');
                resolve('first');
            }, 5000);
        });
    })();

    await (() => {
        return new Promise((resolve, reject) => {
            console.log('second');
            resolve('second');
        });
    })();

    await (() => {
        return new Promise((resolve, reject) => {
            setTimeout(() => {
                console.log('third');
                resolve('third');
            }, 1000);
        });
    })();

})();

// Will output
// first
// second
// third