6/25/2023 0 Comments Javascript array contains stringThe Node interface’s includes() method provides a boolean result that indicates if a node is a descendant of a certain node, such as the node itself, one of its direct children (childNodes), one of the children’s direct children, and so on. Working of contains() method in JavaScript Let concatarr = ncat() Ĭoncatarr = ncat() The contains() method in Collect.js is demonstrated in the following examples:Įxample 1: The collect.js library is imported into the file with collect = require(‘collect.js’) Return Value: A boolean value is returned. Parameters: This method takes a single parameter, which is turned into a collection, and then the contains() function takes an item to search. The function is applied to the collection once the JavaScript array is turned into a collection. If the item is present, it returns true otherwise, it returns false. The contains() method is used to check whether or not a collection contains a specific item. There is no structure in JavaScript, the browser executes each line of the code from top to down. Developers are free to write JavaScript language code anywhere and can still run it in the browser. Since JavaScript is a scripting language, it works without any libraries.
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