20 lines
356 B
Markdown
20 lines
356 B
Markdown
---
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title: Value is symbol
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tags: type
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expertise: beginner
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firstSeen: 2017-12-17T17:55:51+02:00
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lastUpdated: 2020-09-15T16:28:04+03:00
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---
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Checks if the given argument is a symbol.
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- Use `typeof` to check if a value is classified as a symbol primitive.
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```js
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const isSymbol = val => typeof val === 'symbol';
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```
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```js
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isSymbol(Symbol('x')); // true
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```
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