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In this tutorial, you’ll learn how to check if an array contains a value in JavaScript.

This tutorial shows you how to use the Array.isArray() method and instanceof operator to check if a variable is an array in JavaScript

In this tutorial, you will learn some techniques to to remove duplicates from an array in JavaScript.

In this tutorial, you will learn how to sort an array of objects by the values of the object’s properties

This tutorial shows you various ways to empty an array in JavaScript