SOLID principles
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The SOLID principles are a set of five design principles intended to make software designs more understandable, flexible, and maintainable. Below are the principles with concise explanations and examples: 1. Single Responsibility Principle (SRP) Example: 2. Open/Closed Principle (OCP) Example: 3. Liskov Substitution Principle (LSP) Example: 4. Interface Segregation Principle (ISP) Example: Dependency Inversion Principle […]
Hosting and Closures in JavaScript
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Understanding Hosting and Closures in JavaScript JavaScript is a powerful language that offers a variety of features to help developers write efficient and effective code. Two important concepts in JavaScript that every developer should understand are hoisting and closures. These concepts play a critical role in how JavaScript code is executed and how variables and […]
Different types of functions in JavaScript
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JavaScript is a versatile programming language that empowers developers to build dynamic and interactive web applications. A key feature of JavaScript is its use of functions, which play a crucial role in writing organized, efficient, and maintainable code. By understanding the different types of functions in JavaScript, developers can enhance their coding skills and create […]
Understanding the Different Types of Functions in JavaScript: A Comprehensive Guide
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JavaScript, a versatile and powerful programming language, offers a wide range of functions to developers. Understanding these different types of functions is crucial for writing efficient, maintainable, and scalable code. In this article, we’ll explore the various types of functions in JavaScript, their syntax, use cases, and best practices. Whether you’re a beginner or an […]
101 JavaScript Interview Questions with Answers for Successful Interviews
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Here are 101 JavaScript interview questions with answers: 1. What is JavaScript? JavaScript is a high-level, interpreted programming language used primarily for creating interactive web pages. 2. What are the different data types in JavaScript? The data types in JavaScript include string, number, boolean, object, undefined, and null. 3. What is the difference between null and undefined? null represents the […]
HTML5 interview questions with answers
CSS interview questions with answers
JavaScript interview questions with answers
JavaScript is a high-level, dynamic, and interpreted programming language. It is a scripting language used for creating interactive and dynamic web pages and applications. The data types in JavaScript are: Number, String, Boolean, Null, Undefined, Object, and Symbol. Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of the […]
2023 AngularJS Interview Questions for Freshers
2023 AngularJS Interview Questions for Freshers 1. Define AngularJS and what are its key features. AngularJS is one of the most popular, open-source, JavaScript-based frameworks, developed by Google, that was mainly built for developing large-scale, enterprise-level, dynamic, single-page web applications. AngularJS uses HTML as its main template language and uses its syntax for representing the […]