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

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

Check if the given value is an Array

Just most common borrowed method from Array

Additional ESLint rules.

An is-array polyfill for legacy browsers.

Additional ESLint rules.

Utility functions for managing data structures and measurement.

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

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

Additional ESLint rules.

Utility library for javascript type checking.

A collection of JavaScript type checks.

Fix the type definition of `Array.isArray()` method to accept readonly arrays

Determines whether the passed value is an Array.

Additional ESLint rules.

ExtremeJS Utilities

A very simple "typeof" detection

helper tools for javascript validation

js各种类型判断工具/A type tool for javascript

js常见的函数工具库

Collection of methods for check

Simple type checker in JavaScript.

Type detection beyond `typeof`

js各种类型判断工具/A type tool for javascript

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

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

js常见的函数工具库

Basic type checker

js tools

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

工具类

A very simple "typeof" detection

JS常用工具封装

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

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

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

javascript类型判断

JavaScript轻量工具类~

ES helper functions from ES5 shim with no dependencies

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。

js常见的函数工具库

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

js常见的函数工具库

A fixed version of the native javascript typeof function.

js 工具库

JSON that supports binary via bops & base64

The fast and reliable JS type-checking toolbox!

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

Type check in TypeScript

js常见的函数工具库

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

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

check whether value is undefined or empty or null

Simple type checker in JavaScript.

NodeJS Native Helper

一些常用的公共方法

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

JSON isArray method

Check if the given value is of a specific type.

jiahui的js常见的函数工具库

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

The `isArray()` method determines whether the passed value is an Array.

A set of extensions to the node core library, such as an isObject method to parallel isArray, a clone method and a mixin method.

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

An ES5 spec-compliant `Array.isArray` shim/polyfill/replacement that works as far down as ES3.

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

check if a instance is an array or not

A base class implementing basic value validators. E.g: isDefined, isNumber, etc... More validators to be added soon (isEmpty, isNull, isGreaterThan, isLessThan, isBoolean, isArray, etc...)

js常见的函数工具库

Simple Object type/name checks

js常见的函数工具库

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

Check variable existence

js常见的函数工具库

js常见的函数工具库

Additional ESLint rules.

js常见的函数工具库

Additional ESLint rules.

A lightweight utility library for common JavaScript checks, including isEmpty, isNull, isNumber, isEmptyString, isArray, and isNaN. Useful for validation and data handling.

Additional ESLint rules.

js常见的函数工具库

Validate the code.

JavaScript library to check data types

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

Javascript data type check true or false.

Check if the parameter is array

Provides a collection of Javascript utilties.