Countif Packages

Compares objects and arrays and tells you which props or values are duplicates, and which are only present once.

X Phage is a highly organised JavaScript utility library!

A modern JavaScript utility library that delivers functions for data structures, calculations, and more!

An ECMAScript rewrite of Defract!

Count the number of falsy elements in an array.

Count the number of elements in an array which pass a test implemented by a predicate function.

Count the number of elements in an array that are equal to a specified value.

Count the number of elements in an array that are equal to a specified value.

Count the number of truthy elements in an array.