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30-seconds-of-code/snippets/isSymbol.md
Angelos Chalaris 8a6b73bd0c Update covers
2023-02-16 22:24:28 +02:00

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Value is symbol type naming-conventions 2017-12-17T17:55:51+02:00 2020-09-15T16:28:04+03:00

Checks if the given argument is a symbol.

  • Use typeof to check if a value is classified as a symbol primitive.
const isSymbol = val => typeof val === 'symbol';
isSymbol(Symbol('x')); // true