Loop (for each) over an Array in JavaScript: A Detailed Guide When working with arrays, one of the most essential tasks is iterating over their elements. There are several methods to loop through an array in JavaScript, and in this article, we’ll dive deep into these approaches, focusing on the forEach() method as well as…
Sometimes, you may need to remove a specific item from an array, whether by value or by index. JavaScript offers multiple ways to remove items from arrays. 1. Using splice() Method The splice() method is one of the most flexible ways to modify an array in JavaScript. It can be used to remove one or…
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JavaScript provides several ways to loop through arrays. Whether you need to iterate over the array’s elements, modify data, or perform some action for each item, understanding the various looping mechanisms available is essential. This article will walk you through all the common and modern approaches to loop through arrays in JavaScript, explaining each method…
In JavaScript, there are several approaches to checking whether an object is an array or not. 1. Using Array.isArray() Method (Recommended) The most reliable and modern way to check if an object is an array in JavaScript is by using the Array.isArray() method. This method was introduced in ECMAScript 5 (ES5) and is widely supported…
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There are various ways to append elements to an array in JavaScript. Appending elements to an array is an essential operation while working with an array. 1. Using push() Method The push() method is the most basic and widely used way to append an item (or multiple items) to the end of an array. You…
There are various methods to remove duplicate elements from a JavaScript array and get all unique values. Sometimes when working with data, it is useful to get unique values from the JavaScript array (remove duplicates). 1. Using Set (Simple Approach) The simplest and most useful way to remove duplicates from an array is by utilizing…
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There are several ways to remove duplicate elements from JavaScript array. It is useful while working with data that have many repetitive values. 1. Using a Set The simplest and most efficient ways to remove duplicates from an array in JavaScript is by using the Set object. A Set is a built-in data structure in…
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In JavaScript, there are several ways to create an array containing numbers from 1 to N. 1. Using a for Loop The basic method is to create an array of numbers is by using a for loop. Explanation 2. Using Array.from() Method The Array.from() method creates a new array from an array-like or iterable object….
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Given an array and index, the task is to insert a particular item at a given index. There are multiple ways to insert an item into an array at a specific index in JavaScript. 1. Using splice() Method The splice() method is used to modify the original array. This method can be used to insert,…
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