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)

utils for daybrush

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 ...

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

Utility library for javascript type checking.

A collection of JavaScript type checks.

ExtremeJS Utilities

A very simple "typeof" detection

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

helper tools for javascript validation

js各种类型判断工具/A type tool for javascript

JavaScript utility methods for strings

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

Collection of methods for check

js各种类型判断工具/A type tool for javascript

Type detection beyond `typeof`

Simple type checker in JavaScript.

Basic type checker

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!

A very simple "typeof" detection

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

工具类

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

Some util functions for personal use

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

javascript类型判断

JavaScript轻量工具类~

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。

ES helper functions from ES5 shim with no dependencies

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

php string trim function in javascript.

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

Strility is a string manipulation library

js 工具库

A fixed version of the native javascript typeof function.

JSON that supports binary via bops & base64

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

The fast and reliable JS type-checking toolbox!

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

Type check in TypeScript

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

javascript string utils

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

check whether value is undefined or empty or null

Simple type checker in JavaScript.

一些常用的公共方法

NodeJS Native Helper

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

Check if the given value is of a specific type.

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

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

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

Simple Object type/name checks

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

Check if a parameter is a string.

Check variable existence

creating first node pkg

JSON isString method

Check if the parameter is string

This package is to check whether is string or not ?

JavaScript library to check data types

This package is t check whether is string or not ?

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

Javascript data type check true or false.

Package to check whether it is string or not ?