La méthode includes() permet de déterminer si un tableau contient une valeur et renvoie true si c'est le cas, false sinon. Exemple interactif. Note : Cette méthode utilise l'algorithme de comparaison SameValueZero qui fonctionne comme l'égalité stricte, à la différence que NaN est ici égal à lui même. Syntaxe. js. array.includes(élémentRecherché);
https://www.w3schools.com › Jsref › jsref_includes_array.asp
JavaScript Array includes() Method - W3SchoolsLearn how to use the includes() method to check if an array contains a specified value. See examples, syntax, parameters, return value and browser support for this ECMAScript7 feature.
Learn how to use the includes () method to check if an array contains a certain value. See syntax, parameters, return value, description, examples, and browser compatibility.
https://stackoverflow.com › questions › 16312528
Check if an array contains any element of another array in JavaScriptvanilla js /** * @description determine if an array contains one or more items from another array. * @param {array} haystack the array to search. * @param {array} arr the array providing items to check for in the haystack. * @return {boolean} true|false if haystack contains at least one item from arr. */ var findOne = function ...
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Check if a string contains any element of an array in JavaScriptThe some() method tests whether some element in the array passes the test implemented by the provided function. from Array.prototype.some() docs on MDM. The includes() method determines whether one string may be found within another string, returning true or false as appropriate.
https://www.javascripttutorial.net › array › how-to-check-if-an-array-contains-a-value-in...
How to Check if an Array Contains a Value in JavascriptFor primitive values, use the array.includes() method to check if an array contains a value. For objects, use the isEqual() helper function to compare objects and array.some() method to check if the array contains the object.
https://www.javascripttutorial.net › javascript-array-includes
A Quick Introduction to JavaScript Array Includes MethodLearn how to use the includes() method to check if an element is in an array. See examples, syntax, and comparison with indexOf() method.
Learn how to use the includes() method to check if an array contains a certain element. See syntax, parameters, return value, examples, polyfill, and browser compatibility.
https://sebhastian.com › javascript-array-contains
Check if a JavaScript Array contains a certain value using the includes ...Learn how to use the includes() method of the Array object to check if a JavaScript array contains a certain value or element. See examples, parameters, and differences with indexOf() method.
https://www.freecodecamp.org › news › check-if-an-item-is-in-an-array-in-javascript-js...
Check if an Item is in an Array in JavaScript – JS Contains with Array ...You can use the includes() method in JavaScript to check if an item exists in an array. You can also use it to check if a substring exists within a string. It returns true if the item is found in the array/string and false if the item doesn't exist.
