项目问题 20min到这里就开始做题了Q1(5min)// 数组扁平, 不能用flat;数组排序不能用sort// 期望输出: [0, 1, 2, 3, 4, 6, 7]const data = [[[]], [3], [0], 4, [2, 1], [[7, [[[[6]]]]]]];这题我写了个拍平函数写了个快排Q2:一道输入输出题目(3min) async function async1() { console.log('async1 start'); await async2(); console.log('async1 end'); } async function as...