is-number

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

v7.0.0 URL: https://unpkg.com/is-number@7.0.0/index.js

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cast check coerce coercion finite integer is isnan is-nan is-num is-number isnumber isfinite istype kind math nan num number numeric parseFloat parseInt test type typeof value

core-util-is

The `util.is*` functions introduced in Node v0.12.

v1.0.3 URL: https://unpkg.com/core-util-is@1.0.3/lib/util.js

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util isBuffer isArray isNumber isString isRegExp isThis isThat polyfill

lodash.isnumber

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

v3.0.3 URL: https://unpkg.com/lodash.isnumber@3.0.3/index.js

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lodash-modularized isnumber

@nevware21/ts-utils

Common JavaScript/TypeScript helper functions for better minification

v0.11.5 URL: https://unpkg.com/@nevware21/ts-utils@0.11.5/dist/es5/main/ts-utils.js

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ts typescript js javascript minification minify utils helper node browser worker webworker polyfill ES5 ES6 ES7 ES2015 ES2016 ES2017 ES2018 ES2019 ES2020 ECMAScript 5 ECMAScript 6 ECMAScript 7 ECMAScript 2015 ECMAScript 2016 ECMAScript 2017 ECMAScript 2018 ECMAScript 2019 ECMAScript 2020 getDocument getGlobal getHistory getInst getNavigator getWindow hasDocument hasHistory hasNavigator hasWindow isNode isWebWorker isArray isArrayBuffer isBlob isBoolean isDate isError isFile isFormData isFunction isIterable isIterator isNullOrUndefined isNumber isObject isPromise isPromiseLike isThenable isRegExp isStrictNullOrUndefined isStrictUndefined isString isTypeof isUndefined hasValue isDefined isNotTruthy isTruthy string left strLeft string right strRight normalize js name letter case lettercase camel case camelcase kebab case kebabcase snake case snakecase uppercase lowercase custom error asString hasOwn defineProperty timeout idle timer timer interval includes string contains html encode

@stdlib/assert-is-number

Test if a value is a number.

v0.2.2 URL: https://unpkg.com/@stdlib/assert-is-number@0.2.2/lib/index.js

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stdlib stdassert assertion assert utilities utility utils util number numeric is type check isnumber isnumeric primitive object validate valid test