log(array1 === array2); // false As you can see, the direct comparison returns false even though both arrays have the same elements. This is because the two arrays are different objects in memory. To compare the elements of the arrays, we need to use other methods. Native Methods for...
arr1agenationalityarr2nationalityage// compare arraysif(_.isEqual(arr1,arr2)){console.log('Arrays are equal!');} Take a look atthis guideto learn more about JavaScript arrays and how to use them to store multiple values in one variable. ...
Topic: JavaScript / jQueryPrev|NextAnswer: Use the slice() MethodYou can simply use the slice() method to create a copy of a JavaScript array that behaves independently. This method returns a shallow copy of a portion of an array into a new array....
How do you swap 2 elements in an array, in JavaScript?Suppose we have an array a which contains 5 letters.const a = ['a', 'b', 'c', 'e', 'd']We want to swap element at index 4 (‘d’ in this case) with the element at index 3 (‘e’ in this case)....
Since array have two elements in array, india and france values got overriden and china had default value. Using index based If you are looking for cross browser solution, then you can assign variable on the basis of index. Using index based 1 2 3 4 5 6 7 8 var countryArray = [...
How do you check if every value of a JavaScript array is equal? JavaScript’sallEqual()function allows you to check every value of an array and determine if it is equal. It’ll return true if the values are equal and false if they aren’t equal. Here are two sample results from the...
In the upper example, we are supposed to filter the array of objects using two values only. Suppose we have many values that would be checked to filter the array of objects. In that case, we have to save those values in a separate array. ...
//code to check if a value exists in an array using javascript for loop var fruits_arr = ['Apple', 'Mango', 'Grapes', 'Orange', 'Fig', 'Cherry']; function checkValue(value, arr) { var status = 'Not exist'; for (var i = 0; i < arr.length; i++) { var name = arr[...
The last way to convert an array into a string is by using type coercion. The type coercion is a process of converting a value from one type to another. There are two types of coercion in JavaScript, implicit and explicit coercion. The implicit coercion is when you apply various operators...
Learn how to efficiently add comma-separated values in an array using JavaScript. Understand the concept of CSV and explore step-by-step methods to split the string, manipulate the array, and perform various operations. Find detailed explanations, exampl