JSPM

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

Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code r

utils for daybrush

A set of JavaScript helper functions to check for types

Curried TypeScript type guards for primitive types and classes

Node toolkit adding some helpful functions: files, array, string, color, math ...

Utility library for javascript type checking.

ExtremeJS Utilities

Helpful and useful javascript functions

A very simple "typeof" detection

helper tools for javascript validation

Type detection beyond `typeof`

Simple type checker in JavaScript.

Collection of methods for check

Simple and light-weight JavaScript type checker that brings convenience!

JS常用工具封装

A very simple "typeof" detection

locore is a Standard library. the library with basic JavaScript methods to improve development efficiency.

Handy utils offers developers a powerful and easy-to-use toolset. With its clean, modular and scalable code structure, it accelerates development processes and reduces code complexity. With a wide range of functions, it offers ready-made methods for solvi

javascript类型判断

declarative check type of function arguments and development profiler for your functions

The fast and reliable JS type-checking toolbox!

A fixed version of the native javascript typeof function.

Type check in TypeScript

This library provides core functionalities for determining the type of a given object, supporting various JavaScript data types.

Simple type checker in JavaScript.

This package is for confirming data that will take arguments to verify its value and type.

This library is to check for null and undefined values in JSON objects

Check if the given value is of a specific type.

A node.js module to get, compare and check types

Curried TypeScript type guards for primitive types and classes

JavaScript library to check data types

A small set of functions to check value against a specific type

Check if the parameter is undefined