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31 packages found
ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
Test if a double-precision floating-point numeric value is NaN.
- stdlib
- stdmath
- assertion
- assert
- utilities
- utility
- utils
- util
- math
- mathematics
- ieee754
- floating-point
- float
- number
- View more
A simple utility to Check the value is number or can convert to a number, for example string ' 123 ' can be converted to 123.
Test if a value is NaN.
ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.
Test if a single-precision floating-point numeric value is NaN.
- stdlib
- stdmath
- assertion
- assert
- utilities
- utility
- utils
- util
- math
- mathematics
- ieee754
- floating-point
- float
- number
- View more
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.
Test if a value is an array-like object containing only NaN values.
- stdlib
- stdassert
- assertion
- assert
- utilities
- utility
- utils
- util
- typed
- array
- typed array
- is
- istypedarray
- istyped
- View more
[](https://discord.gg/ZVERh35) [](https://npmjs.com/fast-is-number) [
Fast cleaner is an npm module designed to clean javascript objects from unwanted values like `undefined`, `NaN`, `{}`(empty objects) .. etc.
- deterministic
- scheme
- own
- ArrayBuffer
- getter
- recursive
- eslintplugin
- banner
- debug
- stateless
- util
- browserlist
- queue
- password
- View more
Returns true if the value is a number. comprehensive tests.Study from jonschlinkert/is-number
Validates if a value is NaN.
Validates if a value is a number primitive, excluding NaN.
Validates if a value is a NaN primitive.
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
Validates if a value is an array of primitive numbers, excluding NaN.
- validate.io
- validate
- validation
- validator
- valid
- number
- array
- numberarray
- numericarray
- is
- isarray
- isnumberarray
- primitive