An Ordered List is a collection of items in a particular order. It is used when the order of items are important. An ordered list items are created using <ol> and <li> elements. The <li> elements are used to create list items, and <ol> element is used to create ordered list items. The syntax for…
An unordered list is a collection of items where the order of items does not matter. By default, the item of an unordered list is marked with a bullet point (•). The unordered list items are created using <ul> and <li> elements. The <li> elements are used to create list items, and <ul> element is…
The “Hello World” program is the simplest program you can write in any programming language. It serves as a first step for beginners to get familiar with the syntax and environment of a new programming language. In JavaScript, the goal of this program is to print “Hello World” on the screen or console. There are…
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Given two or more arrays, the task is to compare arrays in JavaScript. It is useful while dealing with data structures. The arrays are objects in JavaScript, comparing them directly using the equality operators (== or ===) checks for reference equality, not value equality. This means, two arrays with identical elements may not be considered…
The Set object is used to store unique values of any type. This article covers all approaches to convert set to an array in JavaScript. 1. Using Spread Operator (…) The spread operator (…) is the most concise and modern way to convert a Set into an Array. It allows you to spread the elements…
A two-dimensional array is an array which contain another arrays as an array elements. The 2D array commonly used to represent grids, matrices, or tabular data. What is a Two-Dimensional Array? A two-dimensional array is an array where each element is an array itself. It represents array data in tabular format like rows and columns….
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Given an array, the task is to insert an element at a specific position in an array in JavaScript. There are multiple approaches to add an element at a specific position in JavaScript. 1. Using splice() Method The splice() method is used to insert an element at a specific position in an array. This method…
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Given an Array, the task is to add an element to the end of an array in JavaScript. There are multiple ways to add an element to the end of an array in JavaScript. These are – 1. Using push() Method The push() method is a very basic method to add an element to the…
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Given an array with elements, the task is to remove the last element of an array in JavaScript. 1. Using pop() Method The pop() method is a basic and most used approach to remove the last element from an array. This method modifies the original array and returns the removed element. Example Features 2. Using…
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There are various methods to add an element to the beginning of an array in JavaScript. Each method has its unique benefits, drawbacks, and use cases. This article will discuss all possible methods to prepend an element to an array, including their syntax, examples, and applicable use cases. 1. Using the unshift() Method The unshift()…
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