1 理解Service Workers

https://juejin.im/post/599163316fb9a03c3c14d751

2 function a（）{};

function b(){};

a.prototype = new b;

var s = new a;

s instance b

b instance a;

3 http缓存的理解 对from cach dist 区别

https http http2的理解

4 Service Workers/Web Workers/WebSockets的区别

https://blog.csdn.net/wopelo/article/details/78607879

6 ios 和js 通信方式

7 前端调试技巧

8 es6 常用语法

9 promise 方法

10 怎么优化table css

11 适配方案

大搜的栅格化

12 =