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interview's Introduction

高级前端工程师面试必备基础知识

JS 基础:

  • JS 基础类型(要区分原始类型)
  • 原型和原型链
  • 词法作用域
  • this
  • 闭包
  • 模块化
  • ES6 的新特性比如 Promise、解构、变量提升、迭代器、Symbol、Proxy、Generator

手写:

框架:

  • webpack 配置
  • webpack4、5 源码流程解析
  • loader、plugin 的作用和手写
  • 常用的 loader、plugin
  • React/Vue 源码分析、部分原理和组件交互
  • 周边框架比如 redux、react-router 源码分析

Node:

  • EventLoop(到 Libuv 的调度规则)
  • 事件优先级
  • 中间件
  • KOA 原理
  • stream 处理

浏览器:

  • 浏览器事件循环机制
  • 从打开页面到渲染经历了什么(说出来浏览器的各个进程间的调度)
  • 浏览器缓存规则(from memory、from disk)
  • localStorage、sessionStorage

网络:

  • OSI 七层协议
  • HTTP 三次握手
  • 1.0、1.1、2.0 有什么区别
  • TSL 的用处

缓存:

  • http 缓存
  • header 如何设置
  • cache-control 的选项

性能优化:

。。。

算法:

  • 排序相关

  • 数组

  • 队列

  • 链表

  • 二分法

  • 贪心

  • 回溯

  • 搜索(dfs、bfs)

  • 滑动窗口

  • 动态规划

  • 背包

  • 剪枝

  • 位运算

  • Tire 树

  • 并查集

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