Jsliang Job series – 15 – Handwritten source code series summary

This series consists of 7 articles, 19 handwriting methods and 32 knowledge points.

Handwriting series storage location:

• Write a series of

Specific implementation of each handwriting:

• Promise
  • The short versionPromise(Asynchronous is not supported)
  • handwrittenPromise(resolve,reject,then)
  • implementationPromise.all()
  • implementationPromise.race()
  • implementationPromiseAsynchronous scheduler
• Anti-shake and throttling
  • Image stabilization
  • The throttle
  • Anti-shake + throttling (anti-shake that must be triggered)
• Shallow copy and deep copy
  • Handwritten shallow copy
  • Object.assign
  • Shallow copy other methods:concat(),slice(),[...arr]
  • Handwritten deep copy
  • JSON.parse(JSON.stringify())
  • The Lodash_.cloneDeep()
  • JQuery$.extend()
• call+bind+apply
  • nativecallAnd handwrittencall
  • nativebindAnd handwrittenbind
  • nativeapplyAnd handwrittenapply
• JSONP
  • The basic principle of:scriptOf the labelsrcThere are no cross-domain constraints to complete the implementation
  • The advantages and disadvantagesOnly:GET; Good compatibility
  • Simple implementationThrough:url, params, callbackKey, callbackTo define theJSONP()Method parameters
  • Consider multiple calls: Based on simple implementation, add array savecallbackThe return of
• new
  • Three lines of code handwrittennew
  • handwrittennewFive characteristics of the
  • Full version handwritingnew
• other
  • Object.create()
  • ES5 implements class inheritance
  • instanceof
  • Currie,: oadd(1)(2)(3)
  • The iterator
  • Ajax
  • Array flattening: hand,flat(),reduce()
  • Array to heavy: hand,Set,filter()
  • other

There are 46 references in this series.

• Front-end interview common handwriting function[Recommended Reading: 30min]
• 32 handwritten JS to strengthen your JS foundation[Recommended Reading: 30min]
• 22 high-frequency JavaScript handwritten interview questions and answers[Recommended Reading: 30min]
• “Intermediate and advanced front-end interview” JavaScript handwritten code unbeatable secrets[Recommended Reading: 30min]
• Several JS code handwritten problems and some code implementation[Recommended Reading: 30min]
• Ternary – handwritten code series[Recommended Reading: 30min]
• CORS principle and implementation[Recommended Reading: 30min]
• JSONP principle and implementation[Recommended Reading: 30min]
• Jsonp principle and implementation【 Reading Suggestions: 10min】
• 20 JS principle questions help you interview a helping hand![Recommended Reading: 30min]
• 7 minutes to understand the throttling, anti-shaking and application scenarios of JS【 Reading Suggestions: 10min】
• Analysis of anti – shake and throttling principle【 Reading Suggestions: 10min】
• Front-end performance related: anti – shake, throttling【 Reading Suggestions: 5min】
• Interviewer (6): Did you write “Common front-end components”?【 Reading Suggestions: 20min】
• Interviewer: React/Vue can communicate with components using Event Bus. Can you implement this?【 Reading Suggestions: 20min】
• Brief introduction to the realization principle of Instanceof and Typeof【 Reading Suggestions: 10min】
• Unlock multiple JavaScript arrays to go heavy poses【 Reading Suggestions: 20min】
• How to use arrays better in JavaScript【 Reading Suggestions: 10min】
• There are seven ways to implement array de-duplication【 Reading Suggestions: 20min】

• MDN – Arguments【 Reading Suggestions: 5min】
• MDN – call【 Reading Suggestions: 5min】
• MDN – apply【 Reading Suggestions: 5min】
• MDN – bind【 Reading Suggestions: 5min】
• The CALL and apply methods are not used to emulate the BIND method of ES5[Reading Suggestions: 1H]
• JavaScript deep simulation of call and apply【 Reading Suggestions: 20min】
• This, apply, call, bind[Recommended Reading: 30min]
• Interviewer: Can you simulate implementing JS call and apply methods【 Reading Suggestions: 10min】
• Call apply bind【 Reading Suggestions: 20min】
• Call apply and bind【 Reading Suggestions: 10min】

• How to write a deep copy that will impress your interviewer?[Reading Suggestions: 2H]
• The ultimate quest for deep copy (90% of people don’t know)[Reading Suggestions: 1H]
• JavaScript basics – deep and shallow copy[Recommended Reading: 30min]
• Deep and shallow copy of JavaScript topics【 Reading Suggestions: 20min】
• Implementation of shallow copy and deep copy in javaScript【 Reading Suggestions: 20min】
• Deep dive into JavaScript deep copy【 Reading Suggestions: 20min】
• “JavaScript” walks you through deep copy, shallow copy, and circular references【 Reading Suggestions: 20min】
• How to implement a deep copy of the interview question[Recommended Reading: 30min]
• Interviewer: Please implement a deep clone【 Reading Suggestions: 10min】

• Promises/A+ 100 lines of code[Recommended Reading: 30min]
• Implement Promises with minimal support for asynchronous chained calls (20 lines)【 Recommended reading: 20min】
• Classic INTERVIEW Questions: The most detailed handwritten Promise tutorial ever[Recommended Reading: 30min]
• 1. Write A Promise that Promises/A+ Promises from scratch[Reading advice: Probably read it all over, no clear analysis of the previous]
• Promise implementation principle (source code attached)[Reading advice: Probably read it all over, no clear analysis of the previous]
• Analyze the internal structure of Promise, step by step to achieve a complete Promise class that can pass all Test cases[Recommended reading: write in detail, not clear analysis of the previous]
• Xiao Shao teach you to play promise source code[Recommended reading: write in detail, not clear analysis of the previous]
• Promise won’t…? Look here!! The most accessible Promise ever!![Recommended reading: write in detail, not clear analysis of the previous]

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