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Node JS Interview Questions

1.What is Node.js? -Node.js is a JavaScript runtime built on Chrome’s V8 JavaScript engine. It enables developers to run JavaScript on the server-side and is designed to build scalable, high-performance applications. 2.What are the benefits of using Node.js? -Some of the benefits of using Node.js include: •        It’s fast and efficient because it uses non-blocking …

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React JS Interview Questions

1.What is ReactJS? -ReactJS is a JavaScript library used for building user interfaces. It was developed by Facebook and is currently maintained by Facebook and a community of developers. 2. What are the key features of ReactJS? – The key features of ReactJS are: •        Virtual DOM •        JSX syntax •        Component-based architecture •        Unidirectional data …

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Javascript Interview Questions

1.       What is JavaScript, and what are its primary features? JavaScript is a programming language that is used to create interactive web pages. Its primary features include a syntax that is similar to C and Java, dynamic typing, and support for functional and object-oriented programming paradigms. 2.       What is the difference between let and var …

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