今日头条
1、动态参数传值
主要考点是arguments
2、智能组件
https://juejin.im/entry/579ec0efc4c971005ade40ad
3、react怎么操作原生
https://blog.csdn.net/hhthwx/article/details/79089691?utm_source=blogxgwz0
4、跨域
https://www.cnblogs.com/roam/p/7520433.html
5、react native和h5怎么交互
https://www.jianshu.com/p/44365ec64e4a
6、webpack怎么配置sass转css
https://www.jianshu.com/p/a552aef2d1a1
阿里巴巴
1、 说一下mobx机制
https://www.cnblogs.com/ygj0930/p/7372119.html
2、 redux机制
http://www.ruanyifeng.com/blog/2016/09/redux_tutorial_part_one_basic_usages.html
3、 webpack原理
https://www.jianshu.com/p/e24ed38d89fd
4、 react是diff,那么vue的是什么说一下
都是diff
5、 说一下js闭包
https://cloud.tencent.com/developer/article/1335902
6、 看你简历flex比较了解,说一下
http://www.runoob.com/w3cnote/flex-grammar.html
7、 说一下你数组都常用哪些方法,随便说
https://zhidao.baidu.com/question/744450654958662332.html
8、 react和vue有什么区别
https://www.jianshu.com/p/b7cd52868e95?from=groupmessage
9、 为什么要用redux,优势在哪里
https://www.jianshu.com/p/d6614feef303
10、 map会改变原数据嘛?
改变
11、 说一下reduce三个参数都是啥意思
http://www.runoob.com/jsref/jsref-reduce.html
腾讯
1、TCP和UDP区别?
https://www.cnblogs.com/xiaomayizoe/p/5258754.html
2、http返回状态码都有什么,啥意思?
https://www.cnblogs.com/libin-1/p/6778514.html
3、前端缓存怎么设置?
https://www.jianshu.com/p/187e9882bd09
4、什么叫树?
https://baike.baidu.com/item/%E6%A0%91/2699484
5、堆和栈区别?
https://zhidao.baidu.com/question/36918441.html
6、react渲染机制?
https://blog.csdn.net/m0_37829710/article/details/82748900
7、react事件机制?
https://www.jianshu.com/p/784c77568680
8、 react和vue,为什么react要setState({}),vue不用?有什么区别?
https://www.jianshu.com/p/1e7e956ec1ee
https://segmentfault.com/q/1010000015483862
9、http有什么了解?和https有什么区别?
https://www.cnblogs.com/wudaoyongchang/p/6253451.html
10、https内部机制?
https://www.jianshu.com/p/5434780fea3a
11、网络安全有了解吗?
https://www.jianshu.com/p/7dee87995b13
12、cookie里面存什么?
https://blog.csdn.net/amber_o0k/article/details/79824057
https://baike.baidu.com/item/cookie/1119?fr=aladdin
13、cookie和session区别?
https://www.cnblogs.com/shiyangxt/articles/1305506.html
14、 简述OSI模型有几层?都是什么?
https://blog.csdn.net/marui156/article/details/77759418
15、 还有tcp在哪一层?
传输层
16、为什么要三次握手?而不是其它次数?
https://www.jianshu.com/p/c1adc0da3ed8
17、 四次握手的过程是什么?
https://www.jianshu.com/p/c1adc0da3ed8
今日头条
1、js原型方面知识要理解透
https://www.cnblogs.com/Jabin/p/5804159.html
2、js深度克隆
https://blog.csdn.net/yiweichenji/article/details/79650549
3、defer和async
https://www.jianshu.com/p/9ce2896f8f84
美团
1、水平垂直居中实现,css3和正常方法有什么区别
https://blog.csdn.net/jingtian678/article/details/73607493
https://www.cnblogs.com/TigerZhang-home/p/7085503.html
2、property和attrbute区别
https://www.cnblogs.com/lmjZone/p/8760232.html
3、三角形怎么写
https://jingyan.baidu.com/article/cd4c29793fcf3b756e6e6034.html
4、es6箭头函数的理解,作用
https://iiong.com/the-this-understanding-of-the-es6-arrow-function/
5、bind这个方法我们怎么自己封装一个
https://blog.csdn.net/weixin_38858002/article/details/82584819
baidu
1、var、let、const
https://www.cnblogs.com/LLLLily/p/7389652.html
learn
1、bfc
https://www.cnblogs.com/libin-1/p/7098468.html
2、react 高阶组件浅析
https://segmentfault.com/a/1190000010845410
3、对React children的深入理解
https://www.jianshu.com/p/d1975493b5ea
4、如何参与开源项目
https://www.cnblogs.com/lanxuezaipiao/p/3662328.html
http://www.ruanyifeng.com/blog/2017/07/pull_request.html
5、js题
https://segmentfault.com/a/1190000008785931
https://blog.csdn.net/u011277123/article/details/70208768/
https://www.jianshu.com/p/e833e554bcf5
https://www.cnblogs.com/sun927/p/5663820.html
https://www.cnblogs.com/zichi/p/4359786.html
https://blog.csdn.net/sinat_17775997/article/details/78823596
https://www.cnblogs.com/fengxiongZz/p/8191503.html
https://www.cnblogs.com/cangqinglang/p/8964070.html
6、js排序算法
https://www.cnblogs.com/beli/p/6297741.html
7、react生命周期
https://www.jianshu.com/p/ae26190657ca
8、setState后获取state值
https://blog.csdn.net/lanadeus/article/details/77387596
9、调用setState发生了什么?
https://blog.csdn.net/fuohua/article/details/80117075
百度
1、localstorage存满了怎么办?
https://www.cnblogs.com/kidney/p/9058352.html
2、转成base64还请求接口嘛?
不请求
3、解决cookie跨域访问
https://www.cnblogs.com/hujunzheng/p/5744755.html
4、promise三种状态
等待(pending)、已完成(fulfilled)、已拒绝(rejected)
5、前端性能优化
https://www.jianshu.com/p/fe32ef31deed
6、js各种继承方式和优缺点的介绍
https://www.cnblogs.com/lanyueff/p/7792009.html
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链接:https://pan.baidu.com/s/1jtfJ59aabGNBbPik4IYqtg 密码:synu