291 packages found

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Description

Get the native type of a value.

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published 6.0.36 months ago
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Description

Determine if the JS environment has Symbol support. Supports spec, or shams.

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published 1.0.18 months ago
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M
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Description

Function argument validation for humans

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published 0.17.05 months ago
M
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Description

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

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published 7.0.02 years ago
M
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Description

Returns true if an object was created by the `Object` constructor.

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published 3.0.113 days ago
M
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Description

Returns true if the value is an object and not an array or null.

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published 4.0.0a year ago
M
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Description

Improved typeof detection for node.js and the browser.

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published 4.0.82 years ago
M
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Description

Checks whether provided parameter looks like a number

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published 1.0.83 years ago
M
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Description

Extended JavaScript Type Validator

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published 1.0.46 months ago
M
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Description

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

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published 7.11.016 days ago
M
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Description

Determine and test types using constructor or {}.toString

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published 3.5.13 years ago
M
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Description

Cross-browser type assertions (less broken typeof)

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published 1.2.14 years ago
M
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Description

A tiny and fast dynamic type checker/enforcer library

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published 1.9.23 months ago
M
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Description

Determine if the JS environment has BigInt support.

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published 1.0.0a year ago
M
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Description

Returns `true` if the value is a primitive.

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published 3.0.12 years ago
M
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Description

scatter for lcnSym

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published 0.0.33 months ago
M
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Description

Better Type Checking

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published 1.1.12 months ago
M
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Description

Deprecated. Utilities for ES3, most of which have been adopted or superseded in ES5.1. Adapted from Douglas Crockford's Remedial JavaScript

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published 1.0.82 years ago
M
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Description

Minimal JavaScript type checking library

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published 3.3.010 months ago