社招面试

小鱼儿 2022-05-01 12:51 331阅读 0赞

大大小小面试了一个多月，记录一下面试中的问题和有关的答案。

网上总结的面经：

[juejin.im/post/5c92f4…][juejin.im_post_5c92f4]

[zhuanlan.zhihu.com/p/32911022?…][zhuanlan.zhihu.com_p_32911022]

[juejin.im/post/5c8e4c…][juejin.im_post_5c8e4c]

### JS ###

js系列（冴羽的博客）：[github.com/mqyqingfeng…][github.com_mqyqingfeng]

**原型与原型链**：[github.com/mqyqingfeng…][github.com_mqyqingfeng 1]

**有关Eventloop和Promise的执行顺序：** [juejin.im/post/5c9a43…][juejin.im_post_5c9a43]

[segmentfault.com/a/119000001…][segmentfault.com_a_119000001]

**this的指向：**

[juejin.im/post/5c96d0…][juejin.im_post_5c96d0]

基础版： [ https://zhuanlan.zhihu.com/p/23804247][https_zhuanlan.zhihu.com_p_23804247]

进阶：[cnodejs.org/topic/5c813…][cnodejs.org_topic_5c813]

**new的作用**：[juejin.im/post/5c7b96…][juejin.im_post_5c7b96]

**promise实现**：[github.com/YvetteLau/B…][github.com_YvetteLau_B]

### HTML ###

### CSS ###

### 浏览器 ###

UDP:

**从 URL 输入到页面展现**：[juejin.im/post/5ca217…][juejin.im_post_5ca217]

**有关http缓存**：[imweb.io/topic/5795d…][imweb.io_topic_5795d]

总结：

缓存方式：pragma(禁用缓存)；expires（启用缓存和定义缓存时间）;cache-control

缓存校验字段：last-modified;Etag;

**react性能优化篇：**

[juejin.im/post/5c8b71…][juejin.im_post_5c8e4c]

转载于:https://juejin.im/post/5ce75b92e51d455d850d3a4d

[juejin.im_post_5c92f4]: https://juejin.im/post/5c92f499f265da612647b754?utm_source=gold_browser_extension
[zhuanlan.zhihu.com_p_32911022]: https://link.juejin.im?target=https%3A%2F%2Fzhuanlan.zhihu.com%2Fp%2F32911022%3Futm_source%3Dwechat_session%26amp%3Butm_medium%3Dsocial%26amp%3Bs_r%3D0
[juejin.im_post_5c8e4c]: https://juejin.im/post/5c8e4cd3f265da67c87454a0
[github.com_mqyqingfeng]: https://link.juejin.im?target=https%3A%2F%2Fgithub.com%2Fmqyqingfeng%2FBlog
[github.com_mqyqingfeng 1]: https://link.juejin.im?target=https%3A%2F%2Fgithub.com%2Fmqyqingfeng%2FBlog%2Fissues%2F2
[juejin.im_post_5c9a43]: https://juejin.im/post/5c9a43175188252d876e5903
[segmentfault.com_a_119000001]: https://link.juejin.im?target=https%3A%2F%2Fsegmentfault.com%2Fa%2F1190000013861128
[juejin.im_post_5c96d0]: https://juejin.im/post/5c96d0c751882511c832ff7b
[https_zhuanlan.zhihu.com_p_23804247]: https://link.juejin.im?target=https%3A%2F%2Fzhuanlan.zhihu.com%2Fp%2F23804247
[cnodejs.org_topic_5c813]: https://link.juejin.im?target=https%3A%2F%2Fcnodejs.org%2Ftopic%2F5c813fd490c14711cc8cb5ae
[juejin.im_post_5c7b96]: https://juejin.im/post/5c7b963ae51d453eb173896e
[github.com_YvetteLau_B]: https://link.juejin.im?target=https%3A%2F%2Fgithub.com%2FYvetteLau%2FBlog%2Fissues%2F2
[juejin.im_post_5ca217]: https://juejin.im/post/5ca217a051882543f252dc1e
[imweb.io_topic_5795d]: https://link.juejin.im?target=https%3A%2F%2Fimweb.io%2Ftopic%2F5795dcb6fb312541492eda8c