keywords:isNaN - npm search

is-number

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

jonschlinkert

published version 7.0.0, 6 years ago

Maintenance: 2%. Quality: 62%. Popularity: 53%.

@stdlib/math-base-assert-is-nan

Test if a double-precision floating-point numeric value is NaN.

stdlib-bot

published version 0.2.2, 4 months ago

Maintenance: 33%. Quality: 51%. Popularity: 19%.

@stdlib/assert-is-nan

Test if a value is NaN.

stdlib-bot

published version 0.2.2, 4 months ago

Maintenance: 33%. Quality: 51%. Popularity: 10%.

is-nan

ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.

ljharb

published version 1.3.2, 4 years ago

Maintenance: None. Quality: 64%. Popularity: 22%.

@stdlib/math-base-assert-is-nanf

Test if a single-precision floating-point numeric value is NaN.

stdlib-bot

published version 0.2.2, 4 months ago

Maintenance: 33%. Quality: 51%. Popularity: 6%.

@extremejs/utils

ExtremeJS Utilities

ardalanamini

published version 1.0.0-beta.22, 6 months ago

Maintenance: 33%. Quality: 53%. Popularity: 3%.

pp-is

Collection of methods for check

carlos-sweb

published version 1.2.3, a month ago

Maintenance: 33%. Quality: 51%. Popularity: 3%.

@alwatr/is-number

A simple utility to Check the value is number or can convert to a number, for example string ' 123 ' can be converted to 123.

alimd

published version 5.0.0, 20 days ago

Maintenance: 33%. Quality: 49%. Popularity: 3%.

@stdlib/assert-is-nan-array

Test if a value is an array-like object containing only NaN values.

stdlib-bot

published version 0.2.2, 4 months ago

Maintenance: 33%. Quality: 51%. Popularity: 0%.

validate.io-nan

Validates if a value is NaN.

kgryte

published version 1.0.3, 10 years ago

Maintenance: None. Quality: 63%. Popularity: 9%.

@outlinerisk/mdn-polyfills

MDN polyfills

outlineerik

published version 5.20.0, 5 years ago

Maintenance: 10%. Quality: 62%. Popularity: 2%.

lodash.isnan

The lodash method `_.isNaN` exported as a module.

jdalton

published version 3.0.2, 9 years ago

Maintenance: None. Quality: 61%. Popularity: 8%.

ts-is-number

The ts-is-number a utility npm package that checks if a given input is a valid finite number or a string that can be converted to a valid finite number.

paxa1887

published version 1.1.0, a year ago

Maintenance: 8%. Quality: 64%. Popularity: 0%.

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fb_sean

published version 1.0.2, a year ago

Maintenance: 10%. Quality: 61%. Popularity: 0%.

intval

Returns sensible integer value of a given variable. Unlike parseInt it will never return NaN and you can set a default value to be returned in case the variable is undefined! Hence you can write even cleaner code. So if it's supposed to be an integer, cas