There are several ways to remove an element from an array using JavaScript: The splice() method changes the contents of an array by removing or replacing existing elements and/or adding new elements. const fruitList = [“apple”, “banana”, “orange”, “kiwi”]; // remove one element starting from index 1 fruitList.splice(1, 1); console.log(fruitList); // logs [“apple”, “orange”, “kiwi”] … Read More “Method to remove an item from an array” »
Tag: javascript
you may have heard of the term “garbage collection.” It is an essential concept in modern programming languages like JavaScript. It is an automated process that frees up memory occupied by objects that are no longer in use. This article will provide you with an in-depth understanding of garbage collection in JavaScript. What is Garbage … Read More “Garbage Collection in JavaScript: Understanding How It Works” »
To access and process nested objects, arrays, or JSON in JavaScript, you can use dot notation or square bracket notation to access nested properties, as well as methods such as map, filter, reduce, and forEach to process nested arrays. Here are some examples: const obj = { name: ‘John Doe’, age: 30, address: { street: … Read More “How do you access nested objects, arrays, or JSON in javascript?” »
To return the response from an asynchronous call in JavaScript, you have a few options depending on the specific context and requirements of your code. Here are three common approaches: In this example, doAsyncTask makes a dummy API call using the fetch function. When the API returns a response, it is converted to JSON using … Read More “How to return a response from an asynchronous call in javascript?” »
Writing clean and maintainable code is essential to building scalable and efficient JavaScript applications. In this article, we will discuss the best practices for code organization, structure, commenting, and documentation to improve the readability and maintainability of your code. Code Organization and Structure: Proper code organization and structure are essential for writing maintainable and scalable … Read More “Javascript | Writing clean and maintainable Code organization with documentation” »
Cross-browser compatibility issues are a common problem for JavaScript developers. With so many different web browsers available, it can be challenging to ensure that your code works correctly on all of them. In this article, we will discuss some of the most common cross-browser compatibility issues in JavaScript and provide solutions for fixing them. One … Read More “Javascript | Cross-Browser Compatibility Issues and How to Fix Them in JavaScript” »
JavaScript is a powerful programming language that is widely used for web development. However, like any language, it has its own set of common mistakes and errors that developers can run into. In this article, we will take a look at some of the most common mistakes and errors in JavaScript and how to avoid … Read More “Javascript | Common mistakes and errors” »
JavaScript is a powerful object-oriented language, and creating and using classes is an important aspect of object-oriented programming. In this article, we’ll discuss the basics of creating and using classes in JavaScript, including how to define a class, create an object from a class, and use the properties and methods of an object. Defining a … Read More “Javascript | Creating and using classes” »
JavaScript is an object-oriented language, which means that everything in JavaScript is an object, or is a property or method of an object. In this article, we will explore the concepts of objects and prototypes in JavaScript. Objects In JavaScript, an object is a collection of key-value pairs, where the keys are strings and the … Read More “Javascript | Understanding Objects and Prototypes” »
Promises and async/await are two powerful features in JavaScript that help to manage asynchronous operations. They allow you to write asynchronous code that looks and behaves more like synchronous code, making it easier to read, write, and maintain. Let’s start with Promises. A Promise is an object that represents a value that may not be … Read More “Javascript | Promises and async/await” »