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https://stackoverflow.com › questions › 6116474

How to find if an array contains a specific string in JavaScript/jQuery ...

Here's a snippet which adds a simple contains(str) method to your arsenal: $.fn.contains = function (target) { var result = null; $(this).each(function (index, item) { if (item === target) { result = item; } }); return result ? result : false; } Similarly, you could wrap $.inArray in an extension:

https://stackoverflow.com › questions › 37428338

Check if a string contains any element of an array in JavaScript

You can use some() function: to check if a string contains any element of an array. e.g. var fruitsArr = ['banana', 'monkey banana', 'apple', 'kiwi', 'orange']; var myString = "I have an apple and a watermelon."; var stringIncludesFruit = fruitsArr.some(fruit => myString.includes(fruit));

https://www.w3schools.com › Jsref › jsref_includes_array.asp

JavaScript Array includes() Method - W3Schools

The includes() method returns true if an array contains a specified value. The includes() method returns false if the value is not found. The includes() method is case sensitive.

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 Javascript

For 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://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Global_Objects › Array › ...

Array.prototype.includes() - JavaScript | MDN - MDN Web Docs

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.

https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › Array › ...

Array.prototype.includes() - JavaScript | MDN - MDN Web Docs

The includes() method of Array instances determines whether an array includes a certain value among its entries, returning true or false as appropriate. Try it Syntax

https://masteringjs.io › tutorials › fundamentals › includes

Check if a JS Array Contains a Specific Value

There are two common ways to check if a JavaScript array contains a value: `includes()` and `indexOf()`. This tutorial shows you how to use both, and why you would use one versus the other.

https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Global_Objects › Array › find

Array.prototype.find() - JavaScript | MDN - MDN Web Docs

Si on souhaite déterminer si un tableau contient un élément donné, on pourra utiliser la méthode Array.prototype.includes(). Syntaxe. js. arr.find(callback(element[, index[, tableau]])[, thisArg]) Paramètres. callback. Fonction à exécuter sur chaque valeur du tableau, elle prend 3 arguments : element.

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.

Check if an Item is in an Array in JavaScript – JS Contains with Array ...

https://dmitripavlutin.com › javascript-array-contains-value

Checking if an Array Contains a Value in JavaScript - Dmitri Pavlutin Blog

The easiest way to determine if an array contains a primitive value is to use array.includes() ES2015 array method: const hasValue = array.includes(value[, fromIndex]); The first argument value is the value to search in the array.