Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
In this article, we are going to discuss removing an element from a given position of the array in JavaScript. The delete operator, the slice() method, and the splice() method can be used to remove an element from a given position of the array in this article. Following is the syntax of the delete operator. let del = delete arr[index]; Following is the syntax of the slice() method. arr.slice(start, end) Following is the syntax of the splice() method. arr.splice(position, no_of_elem) Using delete Operator Example In this example, we are going to discuss the use of the ... Read More
In this article, we are going to discuss removing an element from the start of the array in JavaScript. For that, we are going to use the _.rest() method. This method returns the array elements except for the 0th indexed element. We can also use the shift() method and the slice() method to remove the first element from an array. Let us see the implementation of it further. Using _.rest() Method The following example demonstrates how to remove the start element from an array in JavaScript. Syntax The syntax of the _.rest() method is − _.rest( array, index ); ... Read More
In this article, we are going to discuss how to modify an array value of a JSON object in JavaScript. We try to update a new value or modify the existing value in an array. Modifying an array is just like modifying an object when that array is inside the object. The normal general principles of modifying will apply here. Syntax Following is the syntax of the for…in statement. for (var in obj) { //code } Example 1 In this example, we are trying to loop through an array using the for…in statement. This statement ... Read More
In this article, we are going to discuss how to get the width and height of the screen in JavaScript. Javascript provides an window.screen object that contains information regarding the user's screen. The information includes height and width, and also many other features. To find the height and width of the screen you need to use the following read-only properties Screen.height − This property is used to get the height of the screen in pixels. Screen.width − This property is used to get the width of the screen in pixels. Syntax Following is the syntax of the height ... Read More
Developers frequently have to choose between performance and SEO while creating conventional client-side-only React apps. Server components give developers the ability to utilize the server infrastructure more effectively and, thus, by default, attain excellent performance. By combining the most beneficial aspects of client-side interaction and server-side rendering, React Server Components enable programmers to create apps that are easy to create and maintain, and they can be shared across different projects. In this article, we'll take a look at what React Server Components are and how they can be used to create isomorphic applications. What Are React Server ... Read More
React.js is not just about client-side rendering. It also offers REST APIs for server-side rendering and use cases like web crawlers, offline data storage, etc. REST is a type of API that provides a way for web and mobile applications to communicate with each other. It is an out-of-the-box service that can be used in any web application built on React.js. It is also a top choice for developers looking to make their React application scalable as it provides high availability, low latency, and consumes less bandwidth over the network. The goal of this article is to provide a brief ... Read More
Complex numbers in C++ are available in the header and it enables a developer to represent and manipulate complex numbers. Complex numbers have the form a + ib, where 'a' is referred to as the complex number's real portion and 'ib' is the number's imaginary part. The imaginary portion is denoted by the letter 'i' whose value is "iota" which is equal to -1. Complex numbers are extremely important in many programs since they are employed in many mathematical and scientific processes. We take a look at how to represent complex numbers in C++ and how to convert a ... Read More
React Query 3 is a new library by the React team. It's a query language that helps developers to declaratively specify the data requirements of their React application. It’s the third iteration of React Query, which was originally developed by Facebook. It’s now maintained by the community and its contributors. It allows you to query and mutate data in a declarative way. It includes features like automatic caching and stale data handling, which can help take your React apps to the next level. If you're looking for a fast, lightweight, and easy-to-use library, React Query is definitely worth considering. ... Read More
Whenever anyone tries to run the react native platform, an extensive compilation of JavaScript files gets arranged together in a single file. This compilation is done through a bundler called metro. Metro is a well-accepted Java script bundler with many options, including an entry file that provides you with a Java script file along with all the previous files. Let us look at the functionalities of the metro bundler and how it has been supporting the react native framework - How Does Metro Help in React Native Development? One essential feature of the metro is the sub-second reload ... Read More
Routing is not a feature that comes standard with React.js and hookrouter is the modern approach that simplifies navigation features within react components. React hooks provide the foundation of the hook-router module. It is feature-rich and simple enough for fresher developers to get started. In this section, we will be going over what React.js Routing is and how Hooks routing alternative useRoutes() works in React. What is Routing in React? Routing is a way to define user navigation through a set of pages available in an application. To do this, it will create static HTML views that ... Read More