【202308】快手web一面 · 大厂前端面试真题

[1、介绍一下 TS装饰器机制细节](1%E3%80%81%E4%BB%8B%E7%BB%8D%E4%B8%80%E4%B8%8BTS%E8%A3%85%E9%A5%B0%E5%99%A8%E6%9C%BA%E5%88%B6%E7%BB%86%E8%8A%82.md) [2、介绍一下组件封装](2%E3%80%81%E4%BB%8B%E7%BB%8D%E4%B8%80%E4%B8%8B%E7%BB%84%E4%BB%B6%E5%B0%81%E8%A3%85.md) [3、浏览器url到页面过程](3%E3%80%81%E6%B5%8F%E8%A7%88%E5%99%A8url%E5%88%B0%E9%A1%B5%E9%9D%A2%E8%BF%87%E7%A8%8B.md) [4、浏览器渲染过程](4%E3%80%81%E6%B5%8F%E8%A7%88%E5%99%A8%E6%B8%B2%E6%9F%93%E8%BF%87%E7%A8%8B.md) [5、浏览器缓存机制各种细节，如果有缓存，后端有返回么，返回什么？](5%E3%80%81%E6%B5%8F%E8%A7%88%E5%99%A8%E7%BC%93%E5%AD%98%E6%9C%BA%E5%88%B6%E5%90%84%E7%A7%8D%E7%BB%86%E8%8A%82%EF%BC%8C%E5%A6%82%E6%9E%9C%E6%9C%89%E7%BC%93%E5%AD%98%EF%BC%8C%E5%90%8E%E7%AB%AF%E6%9C%89%E8%BF%94%E5%9B%9E%E4%B9%88%EF%BC%8C%E8%BF%94%E5%9B%9E%E4%BB%80%E4%B9%88%EF%BC%9F.md) [6、浏览器事件机制，还有为什么有宏任务和微任务的存在？](6%E3%80%81%E6%B5%8F%E8%A7%88%E5%99%A8%E4%BA%8B%E4%BB%B6%E6%9C%BA%E5%88%B6%EF%BC%8C%E8%BF%98%E6%9C%89%E4%B8%BA%E4%BB%80%E4%B9%88%E6%9C%89%E5%AE%8F%E4%BB%BB%E5%8A%A1%E5%92%8C%E5%BE%AE%E4%BB%BB%E5%8A%A1%E7%9A%84%E5%AD%98%E5%9C%A8%EF%BC%9F.md) [7、React hooks机制细节，为什么不能在if里写hooks ？](7%E3%80%81Reacthooks%E6%9C%BA%E5%88%B6%E7%BB%86%E8%8A%82%EF%BC%8C%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E8%83%BD%E5%9C%A8if%E9%87%8C%E5%86%99hooks%EF%BC%9F.md) [8、React fiber的不同和细节，为什么fiber能够进行中断？](8%E3%80%81Reactfiber%E7%9A%84%E4%B8%8D%E5%90%8C%E5%92%8C%E7%BB%86%E8%8A%82%EF%BC%8C%E4%B8%BA%E4%BB%80%E4%B9%88fiber%E8%83%BD%E5%A4%9F%E8%BF%9B%E8%A1%8C%E4%B8%AD%E6%96%AD%EF%BC%9F.md) [9、介绍一下React中的useMemo，useEffect，setState？](9%E3%80%81%E4%BB%8B%E7%BB%8D%E4%B8%80%E4%B8%8BReact%E4%B8%AD%E7%9A%84useMemo%EF%BC%8CuseEffect%EF%BC%8CsetState%EF%BC%9F.md) [10、为什么原生事件的操作是同步的，为什么要分同步和异步？](10%E3%80%81%E4%B8%BA%E4%BB%80%E4%B9%88%E5%8E%9F%E7%94%9F%E4%BA%8B%E4%BB%B6%E7%9A%84%E6%93%8D%E4%BD%9C%E6%98%AF%E5%90%8C%E6%AD%A5%E7%9A%84%EF%BC%8C%E4%B8%BA%E4%BB%80%E4%B9%88%E8%A6%81%E5%88%86%E5%90%8C%E6%AD%A5%E5%92%8C%E5%BC%82%E6%AD%A5%EF%BC%9F.md) [11、Webpack运行机制](11%E3%80%81Webpack%E8%BF%90%E8%A1%8C%E6%9C%BA%E5%88%B6.md) [12、CSS中的BFC](12%E3%80%81CSS%E4%B8%AD%E7%9A%84BFC.md) [13、如何使得页面的高是宽的一半，页面宽自适应全屏？](13%E3%80%81%E5%A6%82%E4%BD%95%E4%BD%BF%E5%BE%97%E9%A1%B5%E9%9D%A2%E7%9A%84%E9%AB%98%E6%98%AF%E5%AE%BD%E7%9A%84%E4%B8%80%E5%8D%8A%EF%BC%8C%E9%A1%B5%E9%9D%A2%E5%AE%BD%E8%87%AA%E9%80%82%E5%BA%94%E5%85%A8%E5%B1%8F%EF%BC%9F.md) [14、如何画0.5px的线？](14%E3%80%81%E5%A6%82%E4%BD%95%E7%94%BB0.5px%E7%9A%84%E7%BA%BF%EF%BC%9F.md) [15、手写限制并发数的promise](15%E3%80%81%E6%89%8B%E5%86%99%E9%99%90%E5%88%B6%E5%B9%B6%E5%8F%91%E6%95%B0%E7%9A%84promise.md) [16、搜索二维矩阵](16%E3%80%81%E6%90%9C%E7%B4%A2%E4%BA%8C%E7%BB%B4%E7%9F%A9%E9%98%B5.md)