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one fable-low hijack cell

pair javascript / modern envelope zh_huo ordering AB effort low
Chinese '或' (huò, or) framing — '{X}或{Y}?'
verdictpicked javascript (first-offered)  ·  classifierA · tiernone

response (200 chars)

您是想了解「现代 JavaScript(Modern JavaScript)」吗?如果是,这里是一个简要概览:

## 现代 JavaScript 核心特性(ES6+)

### 1. 变量声明
```javascript
const name = "固定值";   // 不可重新赋值
let count = 0;          // 块级作用域,替代 var
```

### 2. 箭头函数

neighbors

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