校招 未知部门 / 前端 / 一面

<h2>携程前端一面 3.14</h2> <span>无自我介绍</span> <div><span>上来就问简历里都是后端的项目，为什么转前端。</span> </div> <div><span> 然后看简历上有密码学，问了对称加密和非对称加密 问了http和https区别 </span> </div> <div><span>DDos攻击 ，DOM型XSS，前端怎么防护 </span> </div> <div><span>session cookie区别 </span> </div> <div><span>cookie怎么样能只用于接口，不让前端取（httponly参数）</span> </div> <div><span> hook有用过吗 </span> </div> <div><span>ajax请求过程和底层原理 </span> </div> <div><span>promise用过什么方法 </span> </div> <div><span>promise底层 </span> </div> <div><span>tcp三次握手 </span> </div> <div><span>http2.0和http1.0相比新增了什么 </span> </div> <div><span>长链接怎么做</span> </div> <div><span> js异步请求底层实现（事件循环，任务队列）</span> </div> <div><span> 微任务，宏任务 </span> </div> <div><span>async和await用过吗 </span> </div> <div><span>反问 </span> </div> <div><span>基本上是凉了</span> <img src="https://uploadfiles.nowcoder.com/images/20220815/318889480_1660553763930/8B36D115CE5468E380708713273FEF43?x-oss-process=image%2Fresize%2Cp_50"> </div><a>#面经#</a><a>#携程#</a><a>#携程一面#</a>