Repositories list

• is-array-like

  Public
  JavaScript

  •

  Other

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 28, 2026Feb 28, 2026

• is-negative

  Public

  is-unknown/is-negative’s past year of commit activity
  check if a value is a negative number primitive (see index.js)

  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 28, 2026Feb 28, 2026

• is-length

  Public

  is-unknown/is-length’s past year of commit activity
  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 28, 2026Feb 28, 2026

• is-safe-integer

  Public

  is-unknown/is-safe-integer’s past year of commit activity
  JavaScript

  •

  Other

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 27, 2026Feb 27, 2026

• is-positive

  Public
  checks if a value is a positive number primitive

  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 27, 2026Feb 27, 2026

• is-integer

  Public

  is-unknown/is-integer’s past year of commit activity
  check if a value is an integer primitvie

  JavaScript

  •

  Other

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 27, 2026Feb 27, 2026

• is-negative-zero

  Public
  is this value -0?

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 15, 2026Feb 15, 2026

• is-symbol

  Public
  check if value is a symbol primitive

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 9, 2026Feb 9, 2026

• is-string

  Public
  check if a value is a string primitive

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 9, 2026Feb 9, 2026

• is-number

  Public
  chec if value is number primitive

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 9, 2026Feb 9, 2026

• is-true

  Public
  Checks if a value is true.

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•11 star•00 issues•00 pull requests•Updated Feb 9, 2026Feb 9, 2026

• is-NaN

  Public
  check nan

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•11 star•00 issues•00 pull requests•Updated Feb 9, 2026Feb 9, 2026

• is-function

  Public
  Check if a value is a function?

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 9, 2026Feb 9, 2026

• is-finite

  Public
  check if a value is a finite number primitive

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 9, 2026Feb 9, 2026

• is-boolean

  Public
  check if a value is a boolean primitive

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•11 star•00 issues•00 pull requests•Updated Feb 9, 2026Feb 9, 2026

• is-array

  Public
  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•11 star•00 issues•00 pull requests•Updated Feb 9, 2026Feb 9, 2026

• is-false

  Public
  Checks if a value is false.

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•11 star•00 issues•00 pull requests•Updated Feb 9, 2026Feb 9, 2026

• is-bigint

  Public
  Check if a value is a bigint primitive

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 9, 2026Feb 9, 2026

• is-non-null-object

  Public
  check if value is non null object

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 6, 2026Feb 6, 2026

• is-object

  Public
  check if a value is an object.

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 6, 2026Feb 6, 2026

• is-null

  Public
  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 6, 2026Feb 6, 2026

• is-nil

  Public
  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 6, 2026Feb 6, 2026

• is-undefined

  Public
  IS UNDEFINED

  enterprisenpmai+ 14

  enterprisenpmainpmjs10x10xengineeri-cant-believe-its-not-rust10xly10xengineersqualityprogramming10xlymadeventures+ 7

  JavaScript

  •00 forks•11 star•00 issues•00 pull requests•Updated Feb 6, 2026Feb 6, 2026