In JavaScript, working with objects is a fundamental aspect of programming. There are times when you need to ensure that an object property has a default value if it’s not explicitly provided. In this article, we’ll explore 6 ways and techniques, and code examples to set default values for object […]
Get Image Dimensions in JavaScript
Working with images is a common task in web development, and obtaining image dimensions and details is crucial for creating responsive designs and optimizing performance. In this article, we’ll dive into various techniques to retrieve image dimensions and other relevant information using JavaScript. Whether you’re building an image gallery or […]
5 Ways To Compare Strings in JavaScript
String comparison is a common task in programming, especially when dealing with text processing, sorting, and searching operations. In JavaScript, comparing strings involves determining their relative order, equality, or similarity. String comparison involves assessing the relationship between two strings based on various factors such as their content, length, and character […]
3 Ways to Shuffle an Array in JavaScript
Shuffling an array is a common operation in programming, especially when dealing with randomized tasks or creating varied user experiences. Shuffling arrays is a fundamental task in JavaScript programming. Whether you’re creating games, randomizing content, or building dynamic user interfaces, knowing how to shuffle arrays is a valuable skill. In […]
Karma JS Top 30 Interview Questions and Answers
Learn and master Karma JS with Top 30 Interview Questions and Answers often asked in technical interviews. 1. What is Karma JS? Karma JS is a test runner tool that allows you to execute JavaScript tests in multiple real browsers. It provides a flexible and efficient testing environment for JavaScript […]
Top 30 Mocha JS Interview Questions and Answers
Learn and master Mocha with Top 30 Interview Questions and Answers often asked in technical interviews. 1. What is Mocha JS? Mocha JS is a feature-rich JavaScript test framework that runs on Node.js and in the browser. It provides a flexible and powerful testing environment for writing asynchronous and synchronous […]
Jasmine JS Interview Questions and Answers
Learn and master the Top 30 Jasmine JS interview questions with detailed answers and code examples: 1. What is Jasmine JS? Jasmine is a behavior-driven development (BDD) testing framework for JavaScript. It provides a clean and readable syntax for writing tests and comes with a rich set of assertion functions […]
Top 20 NestJS Interview Questions and Answers
Learn and master the top 20 NestJS framework interview questions along with detailed answers with code snippets. 1. What is NestJS? NestJS is a progressive Node.js framework for building efficient and scalable server-side applications. It uses modern JavaScript/TypeScript features and follows the modular architecture pattern. 2. What are the key […]
Top 30 Jest Interview Questions and Answers
Learn and master the top 30 Jest framework interview questions along with detailed answers with code snippets. 1. What is Jest? Jest is a JavaScript testing framework developed by Facebook. It provides an easy-to-use API for writing unit tests, and it also includes features such as test runners, mocking, code […]
Enzyme Framework Interview Questions and Answers
Learn and master the top 30 Enzyme framework interview questions along with detailed answers with code snippets. 6. How do you find elements using Enzyme’s selectors?Enzyme provides various selectors to find elements within a rendered component. Some examples include find, filter, contains, hasClass, and more. Here’s an example using find: