JSPM

Found 73 results for isString

core-util-is

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

  • v1.0.3
  • 118.64
  • Published

@nevware21/ts-utils

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

  • v0.12.6
  • 91.87
  • Published

typechecker

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

  • v9.3.0
  • 85.91
  • Published

@phun-ky/typeof

A set of JavaScript helper functions to check for types

  • v2.1.1
  • 81.46
  • Published

ts-type-guards

Curried TypeScript type guards for primitive types and classes

  • v0.7.0
  • 66.04
  • Published

node-screwdriver

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

  • v0.1.7
  • 46.69
  • Published

typeco

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

  • v1.0.0
  • 44.18
  • Published

prototyped.js

Common typescript ready prototypes available in both CommonJS and ECMAScript

  • v3.0.5
  • 34.54
  • Published

whats-the-type

Type detection beyond `typeof`

  • v2.4.0
  • 33.14
  • Published

isbox

js各种类型判断工具/A type tool for javascript

  • v1.0.5
  • 28.35
  • Published

x-utils-es

helper tools for javascript validation

  • v2.4.0
  • 28.19
  • Published

@renet-consulting/util

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

  • v17.0.0
  • 27.42
  • Published

@soei/picker

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

  • v1.0.4
  • 25.69
  • Published

what-is

A very simple "typeof" detection

  • v0.1.2-EOL
  • 25.52
  • Published

@soei/util

JavaScript轻量工具类~

  • v1.1.8
  • 24.99
  • Published

pp-is

Collection of methods for check

  • v1.2.7
  • 22.65
  • Published

@util.js/strings

JavaScript utility methods for strings

  • v0.41.3
  • 21.04
  • Published

any-utils

js 工具库

  • v1.9.6-beta.0
  • 19.99
  • Published

javascript-types

A fixed version of the native javascript typeof function.

    • v1.0.7
    • 19.42
    • Published

    strility

    Strility is a string manipulation library

    • v1.3.1
    • 18.81
    • Published

    typest

    js各种类型判断工具/A type tool for javascript

    • v1.0.7
    • 18.75
    • Published

    typest2

    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。

    • v1.0.7
    • 18.62
    • Published

    json-buff

    JSON that supports binary via bops & base64

    • v0.0.9
    • 18.59
    • Published

    @alttiri/util-js

    Some util functions for personal use

    • v1.19.5-20251118
    • 18.54
    • Published

    locore

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

    • v0.0.0-beta.1
    • 17.96
    • Published

    dcsm-type-helper

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

    • v4.0.1
    • 17.47
    • Published

    wots

    A very simple "typeof" detection

    • v0.3.2
    • 17.23
    • Published

    typeis.js

    The fast and reliable JS type-checking toolbox!

    • v1.0.18
    • 16.63
    • Published

    is-checker

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

    • v1.0.12
    • 16.49
    • Published

    ziyo-functions

    一些常用的公共方法

      • v0.0.8
      • 16.22
      • Published

      robb

      Simple type checker in JavaScript.

      • v0.2.1
      • 15.65
      • Published

      confirm-data

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

      • v1.0.0
      • 15.65
      • Published

      advance-javascript

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

      • v1.0.4
      • 15.39
      • Published

      robb-clone

      Simple type checker in JavaScript.

      • v0.2.2
      • 14.90
      • Published

      typeof-ext

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

      • v0.0.2
      • 13.15
      • Published

      is-check

      Check if the given value is of a specific type.

      • v1.0.2
      • 13.15
      • Published

      @mozeyinedu/check

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

      • v2.0.0
      • 12.75
      • Published

      typesof

      javascript类型判断

        • v1.1.3
        • 12.31
        • Published

        ps-util-is

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

        • v1.0.1
        • 12.26
        • Published

        es-suite

        ES helper functions from ES5 shim with no dependencies

          • v1.1.1
          • 12.26
          • Published

          paracetamol

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

          • v0.7.2
          • 11.86
          • Published

          @multi-kit/inspect

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

          • v0.0.23
          • 11.33
          • Published

          ccax

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

          • v1.0.3
          • 11.32
          • Published

          existjs

          Check variable existence

          • v2.1.0
          • 11.28
          • Published

          js-util-type

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

          • v0.1.1
          • 9.51
          • Published

          node-native

          NodeJS Native Helper

          • v0.1.6
          • 9.48
          • Published

          php-trim-plus

          php string trim function in javascript.

          • v0.0.2
          • 8.98
          • Published

          @mjmasn/core-util-is

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

          • v1.0.3
          • 8.32
          • Published

          @voidvolker/is

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

          • v1.0.1
          • 7.12
          • Published

          string-or-not

          This package is t check whether is string or not ?

            • v1.0.0
            • 6.29
            • Published

            is-string-not

            This package is to check whether is string or not ?

              • v1.0.0
              • 5.77
              • Published

              @pnmasharov/type-check

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

              • v1.0.1
              • 5.77
              • Published

              check-string-or-not

              Package to check whether it is string or not ?

                • v1.0.0
                • 4.97
                • Published

                cc-typejs

                Javascript data type check true or false.

                  • v1.0.4
                  • 4.37
                  • Published