is-number

Number checker

Utility function to check if a value is a number or string representation of a number

JavaScript/Node.js utility. Returns true if the value is a number or string number. Useful for checking regex match results, user input, parsed strings, etc.

GitHub

262 stars
9 watching
49 forks
Language: JavaScript
last commit: about 4 years ago
Linked from 1 awesome list

floatintegerisisnanjavascriptjonschlinkertnannegativenodejsnumbernumericrealzero

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