![]() ![]() It returns true if the specified value is present, otherwise false. Use Option + ⌘ + C keyboard shortcut keys in Safari (if the developer menu does not appear, open Preferences by pressing ⌘ +, and in the Advanced tab, check “Show Develop menu in menu bar”). The JavaScript Set has() method indicates whether the Set object contains the specified value.Use CTRL + SHIFT + K keyboard shortcut keys for Mozilla.Use the F12 key in Chrome and other chromium-based browsers.Note: We will use the browser console to demonstrate examples performed in this post. So from here on forward, we will only use includes() in our article. DOM elements can contain more than the desired text and still match. The includes() is a method native to JavaScript, whereas contains() is used in other languages such as Java. includes() method, t here are alternate ways to check if an array contains an element in. includes (element) expression returns true or false where element is the value to search for. The includes and contains both are searching algorithms used to find a substring within a string or find elements within an array. The quick way to check if an array contains an element in JavaScript is by using the array.includes() method. It is 0 by default.ĭifference between includes() and contains() It gives the position at which to start the search. starting_point: This parameter is optional.It is the substring/element which needs to be found within the string/array. ![]() substring/element: The first parameter is required.The include() method takes two parameters in JavaScript: includes (substring, starting_point )Īrray_name. ![]()
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