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day-day-study's Introduction

Hi there 👋

Here are some ideas to get you started:

  • 🔭 I’m currently working on ByteDance
  • 🌱 I’m currently learning Rust
  • 📮 I’m currently writing a news letter FE News
  • 🧱 I’m currently contributing on front-end-daily-question
  • 📫 How to reach me: wx: pen1005

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day-day-study's Issues

04.02.2020

TODO:

  1. 算法☑️
  2. 为什么 vue 根实例可以是对象,组件实例一定是函数?☑️

04.07.2020

TODO

  1. typescript 里 Class 的修饰符 static / public / private ☑️

04.11.2020

TODO

  1. 总结这周学了什么 V8 的知识点

03.22.2020

TODO:

  1. 单例模式 ☑️
  2. 手写vue- router
  3. 刷题
  4. https
  5. 魏老师汇编

3.21.2020

TODO:

  1. 手写 vue-router ✖️
  2. 刷题 ☑️
  3. 双周赛 ☑️
  4. 魏老师的汇编课 ☑️

04.03~04.06.2020

TODO:

  1. 开一个用来联系react hook的新项目 ☑️
  2. 算法 做了8道 ☑️
  3. TCP / IP,UDP / IP 区别,为什么需要三次握手而不是两次

3.20.2020

TODO:

  1. 手写 vuex ☑️
  2. 算法题 ✖️

03.23.2020

TODO:

  1. 深入理解 font-weight ☑️

03.28.2020

TODO:

  1. 算法题
  2. 魏老师汇编课☑️
  3. 数据库学习
  4. 模糊面纱原则(社会学)

03.26.2020&&03.27.2020

#TODO:
其实昨天有刷算法题和学习,忘了建issue

  1. 刷题套娃排列类的问题3道 动态规划 ☑️贪心+二分法✖️
  2. 数据库学习☑️

3.19.2020

random 函数

JS 里的 random 函数是使用 MWC1616 伪随机数生成器(PRNG)生成的。
MDN Math.random()
v8实现相关文章
v8引擎的实现

function MathRandom() {
 // Mathmul => Math.imul() 该函数将两个参数分别转换为 32 位整数,相乘后返回 32 位结果 
// 这个方法能获得
  var r0 = (MathImul(18030, rngstate[0] & 0xFFFF) + (rngstate[0] >>> 16)) | 0;
  rngstate[0] = r0;
  var r1 = (MathImul(36969, rngstate[1] & 0xFFFF) + (rngstate[1] >>> 16)) | 0;
  rngstate[1] = r1;
  var x = ((r0 << 16) + (r1 & 0xFFFF)) | 0;
  // Division by 0x100000000 through multiplication by reciprocal.
  return (x < 0 ? (x + 0x100000000) : x) * 2.3283064365386962890625e-10;
}

03.24.2020

TODO:
1.手写Promise
2.手写async/await
3.手写generate

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