Note: We will use the browser console to demonstrate examples performed in this post. Since this article is about JavaScript, we will only use includes() in our article from here on. The includes() and contains() both have the same functionality, but in JavaScript, this functionality is termed as includes(), while in other programming languages such as Java, it is called contains(). It is used in other languages such as Java. ![]() The includes() is a method present in JavaScript, whereas contains() is not present in JavaScript. The includes and contains both methods search for a substring within a string or find elements within an array. It is 0 by default.ĭifference between includes() and contains() ![]() It gives the index at which to start the search. starting_point: This parameter is optional.It is the element that needs to be searched within the array. ![]() element: The first parameter is required.The include() method takes two parameters in JavaScript:
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