Promise练习：面试的示例一，必须三轮都通过才可以

// 面试的示例一，必须三轮都通过才可以

(async function () {
    try {
        const res = await Promise.all([mianshi(1),mianshi(2),mianshi(3)])
        console.log('smile' + res)
    } catch (error) {
        return console.log(error)
    }

})()

function mianshi(round) {
    return new Promise((resolve, reject) => {
        const score = Math.random()
        if (score > 0.5) {
            setTimeout(() => {
                resolve('通过,分数：' + score)
            }, 500)
        } else {
            setTimeout(() => {
                reject('失败:第' + round + "轮,分数：" + score)
            }, 500)
        }
    })
}