Ecosyste.ms: Issues

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GitHub / lgwebdream/FE-Interview issues and pull requests

#1237 - vue中&nextTick的原理

Issue - State: open - Opened by free-lxc 12 months ago

#1218 - Day383:说下 React 的 useEffect、useCallback、useMemo

Issue - State: open - Opened by Genzhen about 3 years ago - 2 comments
Labels: React

#1209 - Day375:setTimeout/setInterval 实现倒计时如何解决时间偏差的问题?

Issue - State: open - Opened by Genzhen about 3 years ago - 1 comment
Labels: JavaScript

#1167 - Day337:输入一个日期,返回几秒前、几小时前、几天前、几月前

Issue - State: open - Opened by Genzhen about 3 years ago - 1 comment
Labels: JavaScript

#1138 - Day313:说下你对前端工程化的理解

Issue - State: open - Opened by Genzhen over 3 years ago - 1 comment
Labels: 工程化

#1126 - Day302:实现 10 进制转换为 36 进制

Issue - State: open - Opened by Genzhen over 3 years ago - 1 comment
Labels: JavaScript, 头条

#997 - Day180:说一下平时项目是怎么优化的？优化之后是怎么度量的？首屏时间是怎么计算的？

Issue - State: open - Opened by Genzhen almost 4 years ago - 4 comments
Labels: JavaScript, 快手

#903 - 什么是深拷贝，和浅拷贝有什么区别，动手实现一个深拷贝

Issue - State: open - Opened by Genzhen about 4 years ago - 5 comments
Labels: JavaScript, 虎扑, 微医, 高德, 酷狗, 百分点, 顺丰, 新东方

#861 - 尾递归实现

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, CVTE

#852 - 原生实现 ES5 的 Object.create()方法

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, 编程题, 爱范儿

#848 - 按要求完成题目

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript, Vue, React, 编程题, 爱范儿

#822 - 给 JavaScript 的 String 原生对象添加一个名为 trim 的原型方法，用于截取字符串前后的空白字符

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript, 编程题, 高思教育

#812 - 列举 3 种强制类型转换和 2 种隐式类型转换

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript, 58

#738 - 按照调用实例，实现下面的 Person 方法

Issue - State: open - Opened by lgwebdream about 4 years ago - 5 comments
Labels: JavaScript, 编程题

#735 - 请写出正确的执行结果

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript

#734 - 请写出正确的执行结果

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript

#733 - 请写出正确的执行结果

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript

#731 - 请写出代码正确执行结果，并解释原因

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript

#729 - 请写出正确的执行结果

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript

#728 - 按要求完成代码

Issue - State: open - Opened by lgwebdream about 4 years ago - 5 comments
Labels: JavaScript, 编程题, 阿里

#710 - 请手动实现一个浅拷贝

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, 编程题

#709 - 介绍 instanceof 原理，并手动实现

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript, 编程题

#708 - 请实现一个 JSON.stringfy

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, 编程题

#695 - 请写出代码的正确执行结果，并解释原因？

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, 会小二

#689 - JavaScript 中如何模拟实现方法的重载

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, 编程题, 会小二

#688 - 请解释 JSONP 的工作原理

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, 安居客, 会小二

#685 - 实现一个打点计时器

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: JavaScript, 编程题, 会小二

#645 - Css 实现多列等高布局，要求元素实际占用的高度以多列中较高的为准

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: Css, 编程题, 快手

#627 - 判断是否是数组的方法

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: JavaScript, 头条

#587 - reduce 函数的功能，如何实现的，动手实现一下

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript, 编程题

#580 - 写出代码执行结果

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript

#549 - React 路由的动态加载模块，实现按需加载

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: React, 阿里

#546 - redux 的设计思想

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: React, 头条

#487 - ES6 中的 map 和原生的对象有什么区别

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, 有赞

#485 - react 异步渲染的概念,介绍 Time Slicing 和 Suspense

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: React, 有赞

#479 - 对虚拟 DOM 的理解？虚拟 DOM 主要做了什么？虚拟 DOM 本身是什么？

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: Vue, React, 有赞, 58, 微医

#439 - 网站 SEO 怎么处理

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: Html, 喜马拉雅

#428 - new 的实现原理，动手实现一个 new

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript, 编程题, 兑吧

#361 - Http1 和 Http2 有什么区别，和 http1.1 相比，http2 都有什么特性

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: 网络&安全, 网易, 脉脉, 高思教育, 完美世界

#342 - 节流

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: JavaScript, 编程题, 微软

#335 - Css 方式实现一个不知道宽高的 div 居中都有哪几种方法

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: Css, 阿里, 滴滴, 易车, 虎扑, 爱范儿, 58, 心娱, 新东方, 饿了么

#333 - 已知函数 A，要求构造⼀个函数 B 继承 A

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript, 编程题, 新东方

#312 - 说一下 React.Component 和 Ract.PureComponent 的区别

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: React, 有赞, 酷家乐, 高德

#310 - 如何把真实 dom 转变为虚拟 dom，代码实现一下

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript, 编程题, 高德

#306 - 手动实现一个 Promisify 函数

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: Node, 高德

#303 - 请写出以下代码执行结果

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, 快手

#297 - 请写出以下代码执行结果

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript, 快手

#294 - 实现以下代码

Issue - State: open - Opened by lgwebdream about 4 years ago - 5 comments
Labels: JavaScript, 编程题, 快手

#293 - 请实现一个 cacheRequest 方法，保证发出多次同一个 ajax 请求时都能拿到数据，而实际上只发出一次请求

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: JavaScript, 编程题, 快手

#292 - 实现一个函数柯里化

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: JavaScript, 编程题, 快手

#285 - 说一下对 React context 的理解

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: React, 酷家乐, 脉脉

#275 - 动手实现一个左右固定100px，中间自适应的三列布局？(至少三种)

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: Css, 编程题, 头条, 自如

#269 - 请实现`$on,$emit`

Issue - State: open - Opened by lgwebdream about 4 years ago - 7 comments
Labels: JavaScript, 编程题, 自如

#268 - 实现 bind 方法，不能使用 call、apply、bind

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, 编程题, 快手, 腾讯应用宝, 自如

#267 - 手写实现 sleep 函数

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: JavaScript, 编程题, 自如

#257 - 如何识别出字符串中的回车并进行换行？

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, 编程题

#256 - 屏幕占满和未占满的情况下，使 footer 固定在底部，尽量多种方法

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: Css, 编程题

#255 - 输入一个日期 返回几秒前、几小时前、几天前、几月前

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript, 编程题

#244 - 将 153812.7 转化为 153,812.7

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: JavaScript, 编程题

#242 - 手写实现 Array.flat()

Issue - State: open - Opened by lgwebdream about 4 years ago - 14 comments
Labels: JavaScript, 快手, 滴滴, 携程

#238 - React 数据持久化有什么实践吗？

Issue - State: open - Opened by lgwebdream about 4 years ago - 5 comments
Labels: React, 洋葱学院

#235 - 大数计算如何实现

Issue - State: open - Opened by lgwebdream about 4 years ago - 8 comments
Labels: JavaScript, 洋葱学院

#234 - 实现一个方法判断 html 中的标签是否闭合

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript

#231 - 说一下盒子模型，以及标准情况和 IE 下的区别

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: Css, 兑吧

#230 - 箭头函数和普通函数的区别

Issue - State: open - Opened by lgwebdream about 4 years ago - 8 comments
Labels: JavaScript, 酷家乐

#224 - React 高阶组件 renderprops hooks 有什么区别，为什么要不断迭代

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: React

#223 - 说一下 React setState 原理

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: React, 网易

#221 - 说一下 React 生命周期，以及都有哪些改变？为什么去掉了那几个旧的生命周期？

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: React, 有赞, 沪江, 喜马拉雅, 酷家乐, 脉脉, 挖财, 携程, 高德, 完美世界

#220 - React key 是干嘛用的 为什么要加？key 主要是解决哪一类问题的

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: React, 滴滴, 挖财

#218 - CDN 是什么？描述下 CDN 原理？为什么要用 CDN?

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: 网络&安全, 头条, 滴滴, 网易

#216 - 讲一下 webpack 原理， loader 和 plugin，你知道哪些模块化标准，说下 cjs 和 esmodule 的区别

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: 工程化, 头条, 阿里, 滴滴, 挖财

#215 - es5 实现 isInteger

Issue - State: open - Opened by lgwebdream about 4 years ago - 6 comments
Labels: JavaScript, 头条

#213 - 写出输出结果

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: JavaScript, 心娱

#211 - 手写 dom 操作，翻转 li 标签，如何处理更优

Issue - State: open - Opened by lgwebdream about 4 years ago - 9 comments
Labels: 快手

#210 - 怎样判断一个对象是否是数组，如何处理类数组对象

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: JavaScript, 快手

#209 - 是否熟悉 Node，主要做过哪些业务，平时用过什么包？

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: Node, 快手

#206 - Redux 和 Vuex 有什么区别，说下一它们的共同思想

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: Vue, React, 快手

#205 - 谈一下微信小程序的架构以及为什么要用到双线程

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: 其它, 快手

#204 - 随便打开一个网页，用 JavaScript 打印所有以 s 和 h 开头的标签，并计算出标签的种类

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: JavaScript, 快手

#197 - var、let、const 的区别

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript, 伴鱼, 百分点, 心娱

#194 - BFC 是什么？触发 BFC 的条件是什么？有哪些应用场景？

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: Css, 快手, 网易, 伴鱼

#193 - 说一下浏览器解析 Html 文件的过程

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: 网络&安全, 伴鱼

#192 - 说一下什么是重绘重排，哪些操作会造成重绘重排

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: Css, 滴滴, 58, 伴鱼, 菜鸟网络

#188 - 讲一下 import 的原理，与 require 有什么不同

Issue - State: open - Opened by lgwebdream about 4 years ago - 3 comments
Labels: JavaScript, 腾讯应用宝, 伴鱼

#186 - 从输入 URL 到页面加载全过程

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: 网络&安全, 头条, 爱范儿, 菜鸟网络, 边锋, 心娱

#185 - 请实现如下的函数

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: JavaScript, 编程题

#180 - tcp 和 udp 有什么区别？tcp 怎样确保数据正确性？tcp 头包含什么？tcp 属于哪一层？

Issue - State: open - Opened by lgwebdream about 4 years ago - 4 comments
Labels: 网络&安全, 头条, 边锋

#179 - 传输层和网络层分别负责什么，端口在什么层标记

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: 网络&安全, 边锋

#175 - 是否用过 restful 接口，和其他风格的有什么区别

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, 边锋

#174 - 说一下 get、post、put 的区别

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, 酷家乐, 虎扑, 安居客, 酷狗, 边锋

#173 - 说一下对面向对象的理解，面向对象有什么好处

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: JavaScript, 边锋

#169 - justify-content:space-between around 有什么区别

Issue - State: open - Opened by lgwebdream about 4 years ago - 2 comments
Labels: Css, 快手