es6-notes

ES Next 学习笔记

• tc39 Finished Proposals with ECMA262
• tc39 Finished Proposals with ECMA402

ES Next Mind Map

1. ES Next Mind Map

ES Next 简述

1. ES Next 简述
2. 环境准备
3. 开发环境
4. ES Next Feat List
5. 扩展：现代前端环境

ES2015 (ES6)

1. Scope
2. Let & Const
3. Desctructuring
4. String
5. Number
6. Array
7. Object
8. Function
9. Class
10. Symbol
11. Set
12. Map
13. RegExp
14. Proxy
15. Reflect
16. Promise
17. Generator
18. Iterator
19. Module

ES2016 (ES7)

1. Array.prototype.includes()
2. Exponentiation Operator

ES2017 (ES8)

1. String
2. Object
3. Async & Await
4. Trailing commas

ES2018 (ES9)

1. For await of
2. RegExp
3. String
4. Object Rest & Spread
5. Promise.prototype.finally()

ES2019 (ES10)

1. String.prototype.{trimStart.trimEnd}
2. Array.prototype.{flat.flatMap}
3. Symbol.prototype.description
4. Object.fromEntries()
5. Function.prototype.toString()
6. JSON
7. 可选的 Catch Binding

ES2020 (ES11)

1. BigInt
2. String.prototype.matchAll()
3. Promise.allSettled()
4. Dynamic Import()
5. ES Module 增强
6. globalThis
7. Optional chaining
8. Nullish coalescing Operator

ES2021 (ES12)

1. String.prototype.replaceAll()
2. Promise.any()
3. WeakRefs & Finalizers
4. Logical Assignment Operators
5. Numeric separators

ES2022 (ES13)

1. Class Fields
2. RegExp Match Indices
3. Top-level await
4. Ergonomic brand checks for Private Fields
5. .at()
6. Accessible Object.prototype.hasOwnProperty
7. Class Static Block
8. Error Cause

ES2023 (ES14)

1. Array.prototype.{findLast.findLastIndex}
2. Hashbang Grammar
3. Symbols as WeakMap keys
4. Change Array by Copy

ES2024 (ES15)

1. Well-Formed Unicode Strings
2. Atomics.waitAsync
3. RegExp v flag with set notation + properties of strings
4. Resizable and Growable ArrayBuffers
5. Array Grouping
6. Promise.withResolvers
7. ArrayBuffer.prototype.transfer and friends

ES2025 (ES16)

1. Duplicate named capture groups
2. Set Methods
3. RegExp Modifiers
4. Import Attributes & JSON Modules
5. Sync Iterator helpers
6. Promise.try

Intl API

1. Intl API
2. Intl.DateTimeFormat
3. Intl.NumberFormat
4. Intl.Collator
5. Intl.ListFormat
6. Intl.RelativeTimeFormat

md

1. JS 中 ?.、??、??= 的用法及使用场景
2. 正则表达式中的?:、?=和?!有什么区别
3. JS 数组方法汇总
4. JS 字符串方法汇总

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