1.介绍一下做过的项目 讲了一下,讲的不太好,面试官直接说算了,开始做题吧 2. 3道看题说输出: 原型链,this,promise 3. 3道编程题 3-1 实现[['a', 'b'], ['n', 'm'], ['0', '1']] => ["an0", "an1", "am0", "am1", "bn0", "bn1", "bm0", "bm1"] 很简单的 reduce 做就行了,当时想复杂了 ...