JSPM

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

🐊Putout plugin adds ability to apply Array.isArray()

A lightweight tool to check variable types and other logical checks

Pure JavaScript utility functions

A modern TypeScript replacement for 'isarray' with 12+ enhanced array validation utilities and zero dependencies

Easier type checks for JS/TS variables.

Check your types at runtime with ESNext syntax by meta programing in node.js and browser with interfaces, strict object and more.

Pure JavaScript array utility functions

Checks whether a value is an array or not.

An Angular Library, that gives you a hussle free experience on data operation using pipes

A comprehensive collection of strongly-typed predicate functions and type guards for TypeScript, providing runtime type checking and type narrowing capabilities.

Check if a value is an array `Polyfill`

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

A small JavaScript library that enhances Quality of Life by solving various problems.

A partial to check whether an object is an array.

Check does the given Javascript Object is an array.

A package that can answer to all is-...questions

Check does the given Javascript Object is an array.

Check if node's require() is working!