[JavaScript] 문제 - async를 promise로 바꿔라

async function b(){
    const p1 = delayP(3000)
    const p2 = delayP (6000)
    await Promise.all([p1, p2])
    await delayP(9000)
}

 

 

 

new Promise((resolve, reject) =>{
    const p1 = delayP(3000)
    const p2 = delayP(6000)
    return Promise.all([p1, p2])
}).then(()=>{
    return delayP(9000)
})