async/await

function sleep111(second) {
return new Promise((resolve, reject) => {
setTimeout(() => {
resolve(' enough sleep~');
}, second);
})
}

async function sleep(second) {
const res = await sleep111(second)
console.log(res)

};
async function awaitDemo() {
let result = await sleep(2000);
console.log("123");
console.log(result);
};
awaitDemo();

 

function sleep(second) {
    
        setTimeout(() => {
            console.log(' enough sleep~');
        }, second);
   
}
async function awaitDemo() {
    let result = await sleep(2000);
    console.log("123");
    console.log(result);
}
awaitDemo();