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Applications of JavaScript Programming

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Questions and Answers

What role does JavaScript play in client-side validation?

Javascript plays an important role in validating user inputs at the front-end before submitting to the server.

How does JavaScript help in manipulating HTML pages?

JavaScript helps in adding and deleting HTML tags easily and modifying the HTML structure to change the look and feel based on different requirements.

What is the significance of Node JS in server applications?

Node JS is built on Chrome's Javascript runtime and is used for building fast and scalable network applications.

What is the result of the expression x = y + 2 when y = 5?

7 Signup and view all the answers

How would you concatenate the strings 'Good ' and 'Morning' in JavaScript?

'Good Morning' Signup and view all the answers

If x = 10 and y = 5, what would be the result of x += y?

15 Signup and view all the answers

What does the modulus operator (%) do in JavaScript?

Calculates the division remainder Signup and view all the answers

Why is JavaScript considered a must-learn for students and working professionals in the Web Development domain?

JavaScript is the most popular programming language in the world, making it a great choice for programmers. It allows for the development of both frontend and backend software using frameworks like jQuery and Node.JS. Signup and view all the answers

How does learning JavaScript benefit developers in terms of creating websites?

JavaScript helps developers create beautiful and fast websites, providing users with the best graphical user experience. Signup and view all the answers