JSPM

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

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

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

A set of JavaScript helper functions to check for types

Curried TypeScript type guards for primitive types and classes

Common typescript ready prototypes available in both CommonJS and ECMAScript

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

Utility library for javascript type checking.

A javascript library which allows to check javascript value types at runtime

ExtremeJS Utilities

A collection of JavaScript type checks.

A large library of useful functions

Some util functions for personal use

This library provides next util: isBoolean, isFunction, isNumber, isNumbers, isObject and isString, function can be object, number can not be NaN.

Type detection beyond `typeof`

Basic type checker

js各种类型判断工具/A type tool for javascript

A very simple "typeof" detection

Collection of methods for check

JavaScript utility methods for strings

helper tools for javascript validation

Simple type checker in JavaScript.

picker([{id:10}, {id:20}], '*.id=>[]', true) => [ 10, 20 ], ...

A fixed version of the native javascript typeof function.

Strility is a string manipulation library

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

工具类

JSON that supports binary via bops & base64

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

js 工具库

Template filters to check if a value is a list, object, string or number.

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

Simple type checker in JavaScript.

Type check in TypeScript

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

This module copies functionality of core-util-is v1.0.2 for ExtendScript.

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

JS常用工具封装

a collection of javascript prototype extensions that make your javascript coding very easy and hanndy.

php string trim function in javascript.

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

js各种类型判断工具/A type tool for javascript

js各种类型判断工具/A type tool for javascript。 原typest归属账号neo***8迁移到本npm下。

Simple Object type/name checks

This library will help to assert the parameters, instances, classes, functions, primitive/non-primitive types

A vanilla JavaScript library for checking the type of variables in a more robust and accurate way than the typeof operator

javascript string utils

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

ES helper functions from ES5 shim with no dependencies

check whether value is undefined or empty or null

一些常用的公共方法

JavaScript轻量工具类~

javascript类型判断

The fast and reliable JS type-checking toolbox!

NodeJS Native Helper

A utility function to fix and extend the built-in ''typeof'' operator of JavaScript.

JSON isString method

@mozeyinedu/check is a package that contains functions that check some conditions just to preserve time for other stuff

Check if the given value is of a specific type.

A very simple "typeof" detection

Javascript data type check true or false.

This package is t check whether is string or not ?

This package is to check whether is string or not ?

Check variable existence

Package to check whether it is string or not ?

Set of shortands of Object.prototype.toString for fast and simple type check

Check if the parameter is string

Check if a parameter is a string.

The `util.is*` functions introduced in Node v0.12. Now with React Native support.

JavaScript library to check data types

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

creating first node pkg