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1657 packages found

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%.

is-negative-zero

Is this value negative zero? === will lie to you

ljharb
published version 2.0.3, 9 months ago

Maintenance: 19%. Quality: 64%. Popularity: 48%.

kind-of

Get the native type of a value.

doowb
published version 6.0.3, 5 years ago

Maintenance: 2%. Quality: 63%. Popularity: 41%.

typical

Isomorphic, functional type-checking for Javascript

75lb
published version 7.3.0, 9 days ago

Maintenance: 29%. Quality: 62%. Popularity: 21%.

@stdlib/assert-is-number

Test if a value is a number.

stdlib-bot
published version 0.2.2, 4 months ago

Maintenance: 33%. Quality: 51%. Popularity: 15%.

@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-number-array

Test if a value is an array-like object of numbers.

stdlib-bot
published version 0.2.2, 4 months ago

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

@stdlib/assert-is-positive-number

Test if a value is a number having a positive value.

stdlib-bot
published version 0.2.2, 4 months ago

Maintenance: 33%. Quality: 51%. Popularity: 9%.

@stdlib/assert-is-nonnegative-integer

Test if a value is a number having a nonnegative integer value.

stdlib-bot
published version 0.2.2, 4 months ago

Maintenance: 33%. Quality: 51%. Popularity: 13%.

extra-number

A number is a mathematical object used to count, measure, and label.

wolfram77
published version 2.4.0, 2 months ago

Maintenance: 33%. Quality: 61%. Popularity: 1%.

@stdlib/assert-is-nonnegative-number

Test if a value is a number having a nonnegative value.

stdlib-bot
published version 0.2.2, 4 months ago

Maintenance: 33%. Quality: 51%. Popularity: 8%.

@stdlib/assert-is-positive-integer

Test if a value is a number having a positive integer value.

stdlib-bot
published version 0.2.2, 4 months ago

Maintenance: 33%. Quality: 51%. Popularity: 12%.

@zerodep/is-number

A utility to determine if a value is a finite float or integer

cdepage
published version 2.0.12, 25 days ago

Maintenance: 33%. Quality: 61%. Popularity: 0%.

@stdlib/assert-is-integer

Test if a value is a number having an integer value.

stdlib-bot
published version 0.2.2, 4 months ago

Maintenance: 33%. Quality: 51%. Popularity: 12%.

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

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

stdlib-bot
published version 0.2.2, 4 months ago

Maintenance: 33%. Quality: 51%. Popularity: 13%.

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-nonnegative-integer

Test if a finite double-precision floating-point number is a nonnegative integer.

stdlib-bot
published version 0.2.1, 4 months ago

Maintenance: 33%. Quality: 51%. Popularity: 11%.

validate.io-number

Validates if a value is a number.

kgryte
published version 1.0.3, 10 years ago

Maintenance: None. Quality: 63%. Popularity: 19%.

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

Test if a finite double-precision floating-point number is an integer.

stdlib-bot
published version 0.2.5, 4 months ago

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

extra-number.web

A number is a mathematical object used to count, measure, and label {web}.

wolfram77
published version 2.4.0, 2 months ago

Maintenance: 33%. Quality: 61%. Popularity: 1%.