![]() The includes() method returns either a true or a false if a value exists in an array or not. If you would like to follow along with this article, you will need: In this article, you will learn about Array.includes(), Array.indexOf, Array.find(), and Array.filter. ![]() ![]() Now there are several built-in utility methods that solve some of the common tasks for searching for values in an array. Prior to ECMAScript 6, you probably would have used a for loop to iterate through all the items in the array and perform operations on each item. Depending on the task at hand, you may be interested in a boolean value for confirmation, an index for the position of the value in the array, or a separate array containing all the search results. A common task will be searching the array to find if it contains a value (or values) that satisfies certain search criteria. In JavaScript, you will often be working with data that is stored in Arrays.
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