SOURCE

async function async1() {
    console.log("async1 start");
    await async2();
    console.log("async1 end");
}

async function async2() {
    console.log("async2");
}

console.log("script start");

async1();

setTimeout(()=> {
    console.log("setTimeout");
}, 0);

new Promise((resolve)=> {
    console.log("promise 1");
}).then((res) => {
    console.log("resolve 1")
})
console.log("script end");