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> Decorator is a JavaScript function (recommended pure function) which is used to modify class properties/methods or class itself. When you add @decoratorFunction syntax on the top of class property, …
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While the `class` keyword might be new in ES6, the concept of classes, inheritance, and privacy has been tackled in a myriad of ways. This talk will cover what options are available now, how you might…
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replace it with es7
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Some good article
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**REPL**
> REPL，即 Read-Eval-Print-Loop，可以理解为即时代码解释器
安装 Pry
```
gem install pry
pry
```
安装 NodeJS
```
npm install -g n
n latest
node
```
**数据类型**
Ruby 语言常见的数据类型有 `Fixnum`，`S…
ghost updated
7 years ago
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## ES6 等等
**ES6**是ECMA为JavaScript制定的第6个标准版本，相关历史可查看此章节《ES6-ECMAScript6简介》。
标准委…
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A 1-LOC script npm package mandates more a > 1 line readme
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### 理解 async/await
可以直接参考：[理解 async/await](https://segmentfault.com/a/1190000010244279)
ES7 提出的 async 函数，终于让 JavaScript 对于异步操作有了终极解决方案(No more callback hell
Async 函数的改进在于下面四点：
- **内置执行器** Ge…
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Unfinished part of #1553
these syntax shoudn't work:
- `1_2___3;` (only one `_` allowed , e.g.:`1_2_3`)
- `await a = b;` (await expression can't be lvalue)
- `var [...a,...b] = c;` (array …
ghost updated
4 years ago