If any element is contained in the second array, set the variable to true. App.js const arr1 = ['pizza', 'cake', 'cola']; const arr2 = ['pizza', 'beer']; let containsAny = false; for (const element of arr1) { if (arr2.includes(element)) { containsAny = true; break; } ...
Here, we have discussed how to check whether the value exists within the array or not. There are various ways to do this, but we have discussed three ways.
This is a common task for front-end developers. There can be many ways to check if an element already exists in an array. In this tutorial, I’ll show you the way I do it. Table of contentshide 1Array.includes() 2Vuex Array.includes() Suppose you have a list AR/VR headsets and ...
Vue.js provides convenient methods to check if an element is hidden, visible, displayed, or to hide it. These methods can be used to enhance the user experience and dynamically adjust the appearance of a web page based on the state of its elements.
consta = [12,24,56,30,26,31,20,43];// The method checks whether the value is evenconstb= (element) => element ==24;console.log(a.some(b)); Output: Run Code Snippet Explanation: In the above example, we use some function to check if the array contains an element equal to24 ...
Check if each array element is equal to the first one. The every() method will return true if all array elements are equal. index.js const arr1 = [1, 1, 1]; const arr2 = [1, 1, 2]; function allAreEqual(array) { const result = array.every(element => { if (element === ...
functionisFruit(fruitName){letfruits=['Apple','Mango','Pear','Peach'];if(fruits.includes(fruitName)){returntrue;}else{returnfalse;}}isFruit('Pear');isFruit('Cat'); Output: truefalse Using the.find()Function to Find Element in an Array in JavaScript ...
Apart from the includes() method, we can also check if an array includes an object using or not using some() method.This method checks if any of the elements pass a test that is provided as a function. This method executes the function once for each element within the array. This ...
UseArray.prototype.some()andArray.prototype.includes()to check if at least one element ofvaluesis included inarr. constincludesAny=(arr,values)=>values.some(v=>arr.includes(v));// ExamplesincludesAny([1,2,3,4],[2,9]);// trueincludesAny([1,2,3,4],[8,9]);// false ...
Unlike Array.isArray() method which we used for checking if a variable is an array, there is no Object.isObject() method in JavaScript.The quickest and most accurate way to check if a variable is an object is by using the Object.prototype.toString() method....