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Code Issues Releases Wiki Activity

Symble toString 修改为函数执行

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王福宗
2019-05-08 18:42:07 +08:00
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parent d2e69f0e3e
commit 0f214662ca
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docs/symbol.md
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@@ -115,7 +115,7 @@ const sym = Symbol('foo');
const sym = Symbol('foo');
String(sym) // "Symbol(foo)"
sym.toString // "Symbol(foo)"
sym.toString() // "Symbol(foo)"
```
上面的用法不是很方便。[ES2019](https://github.com/tc39/proposal-Symbol-description) 提供了一个实例属性`description`，直接返回 Symbol 的描述。