// 不改动a,b函数,怎么让数字按顺序打印出来
function a() {
    console.log(1)
    b();
    console.log(6)
}
function b () {
    console.log(2)
    c()
    console.log(5)
}
function c() {
    test()
    console.log(4)
}
function test() {
    return new Promise((resolve) => {
        setTimeout(() => {
            console.log(3)
            resolve()
        }, 3000)
    })
展开
踌躇的豌杂面于2021-03-20 04:11发布的图片
17