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 - W3SchoolsThe 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://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));
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.
Syntaxe. js. array.includes(élémentRecherché); . array.includes(élémentRecherché, indiceDépart); Paramètres. élémentRecherché. La valeur qu'on souhaite trouver dans le tableau (lorsqu'on manipule des caractères et des chaînes, la comparaison est sensible à la casse). indiceDépart Facultatif.
https://masteringjs.io › tutorials › fundamentals › includes
Check if a JS Array Contains a Specific ValueThere 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://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.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://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://sebhastian.com › javascript-array-contains
Check if a JavaScript Array contains a certain value using the includes ...To check if a JavaScript array contains a certain value or element, you can use the includes() method of the Array object. The includes() method returns the Boolean true if your array contains the value you specified as its argument. Otherwise, the method returns false.
