6 results for "keywords:"is-nan""

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

Updated July 4, 2018 by @doowb

This is a JavaScript utility. It returns `true` if the value is a string number written in fixed notation and in decimal base.

Updated November 20, 2018 by @ynote_hk

A very limited subset of is-* functions I use every day

Updated September 23, 2017 by @jeromedecoster

check if input is NaN

Updated July 14, 2019 by @nivrith

Returns true if the value is a number. comprehensive tests.Study from jonschlinkert/is-number

Updated March 27, 2018 by @targeral

This is a JavaScript utility. It returns `true` if the value is a number or plain number string (not in scientific exponential notation or hexadecimal notation for instance).

Updated November 18, 2018 by @ynote_hk