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30-seconds-of-code/snippets/is-symbol.md
Angelos Chalaris 2346be5267 Added isX functions
2017-12-14 12:56:02 +02:00

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### Is symbol
Use `typeof` to check if a value is classified as a symbol primitive.
```js
const isSymbol = val => typeof val === 'symbol';
// isSymbol('x') -> false
// isSymbol(Symbol('x')) -> true
```