javascript-array

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JavaScript Program to Find Duplicate Elements in an Array

Last Updated: 07 April 2025

Here are the different methods to find duplicate elements in the array1. Using Nested For In LoopThe for...in loop is typically used to iter ...read more

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Create an Array of Given Size in JavaScript

Last Updated: 11 November 2024

The basic method to create an array is by using the Array constructor. We can initialize an array of certain length just by passing a single ...read more

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How to modify an object's property in an array of objects in JavaScript ?

Last Updated: 07 January 2025

Modifying an object's property in an array of objects in JavaScript involves accessing the specific object within the array and updating its ...read more

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Sum of an Array in JavaScript

Last Updated: 16 April 2025

There are multiple ways to calculate the sum of elements in an array in JavaScript. Here are some of the most common methods:1. Using for lo ...read more

Difference between forEach() and map() loop in JavaScript

Last Updated: 12 September 2024

The forEach() and map() methods in JavaScript are used to iterate over arrays, but they serve different purposes. forEach() executes a provi ...read more

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JavaScript - Sort a Numeric Array

Last Updated: 16 November 2024

Here are some common methods to Sort Numeric Array using JavaScript. Please note that the sort function by default considers number arrays s ...read more

JavaScript- Convert an Object to JS Array

Last Updated: 25 November 2024

Objects in JavaScript are the most important data type and form the building blocks for modern JavaScript. These objects are quite different ...read more

How To Convert Map Keys to an Array in JavaScript?

Last Updated: 28 December 2024

Here are the various methods to convert Map keys to an array in JavaScript1. Using array.from() MethodThe Array.from() method in JavaScript ...read more

JavaScript - Convert Comma Separated String To Array

Last Updated: 26 November 2024

Here are the various methods to convert comma-separated string to array using JavaScript.1. Using the split() Method (Most Common)The split( ...read more

Find the min/max element of an Array using JavaScript

Last Updated: 07 January 2025

To find the minimum or maximum element in a JavaScript array, use Math.min or Math.max with the spread operator.JavaScript offers several me ...read more

JavaScript - Convert an Array to an Object

Last Updated: 19 November 2024

These are the following ways to convert an array to an Object:1. Using JavaScript Object.assign() method The first approach is using the Ob ...read more

Create a Comma Separated List from an Array in JavaScript

Last Updated: 28 December 2024

Here are the different methods to create comma separated list from an Array1. Array join() methodThe Array join() method joins the elements ...read more

Insert at the Beginning of an Array in JavaScript

Last Updated: 08 November 2024

Following are different ways to add new elements at the beginning of an array1. Using the Array unshift() Method - Most Used:Adding new elem ...read more

JavaScript Array join() Method

Last Updated: 12 July 2024

The JavaScript Array join() Method is used to join the elements of an array into a string. The elements of the string will be separated by a ...read more

JavaScript Array sort() Method

Last Updated: 12 November 2024

The JS array.sort() method rearranges the array elements alphabetically and returns a sorted array. It does not create a new array but updat ...read more

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