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://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.
https://stackoverflow.com › questions › 37428338
Check if a string contains any element of an array in JavaScriptYou 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));
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);
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. js. includes(searchElement) includes(searchElement, fromIndex) Parameters. searchElement. The value to search for. fromIndex Optional.
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://attacomsian.com › blog › javascript-array-search
How to check if an array contains a value in JavaScriptThe simplest and fastest way to check if an item is present in an array is by using the Array.indexOf() method. This method searches the array for the given value and returns its index. If no item is found, it returns -1.
https://masteringjs.io › tutorials › fundamentals › includes
Check if a JS Array Contains a Specific ValueLearn how to use Array#includes() and Array#indexOf() to determine whether a JavaScript array contains a given element. Compare the differences, advantages and disadvantages of these two methods, and how to handle NaN values.
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.
https://masteringjs.io › tutorials › fundamentals › array-includes
JavaScript Array `includes ()` - Mastering JSThe `includes()` array method tells you whether an array contains the given element. Here's what you need to know.
