BCA Semester 4 – Scripting Language () Questions & Answers | Past TU Exam Papers

Question 1

Explain the concept structure and importance of DOM.

Marks: 5

Year: 2020 Final TU FOHSS

Question 2

What is dialog box? Explain different dialog boxes with suitable example in JavaScript.

Marks: 5

Year: 2020 Final TU FOHSS

1. Definition of Dialog Box: A dialog box is a small pop-up window displayed by the browser to communicate with the user. It is used to show messages, get user input, or ask for confirmation. ---

Question 3

What is the use of jQuery? Write the sample program to show and hide the certain div with the use of jQuery.

Marks: 5

Year: 2020 Final TU FOHSS

1. Use of jQuery jQuery is a fast and lightweight JavaScript library used to simplify HTML DOM manipulation, event handling, animations, and AJAX. Uses of jQuery - Simplifies JavaScript coding - Easy

Question 4

Why Ajax is required in web development? Write a sample program to synchronize data between JavaScript and PHP.

Marks: 5

Year: 2020 Final TU FOHSS

1. Why AJAX is Required AJAX allows asynchronous communication between the browser (client) and server without reloading the web page. Key Points / Uses - Improves user experience by avoiding full

Question 5

Design following form in HTML and display the value in the result box after calculating basic arithmetic operation based on the use input with the use of JavaScript.

Marks: 10

Year: 2020 Final TU FOHSS

1. Definition and Concept - HTML Form: A structure in HTML used to accept input from users, such as numbers, text, or options. - JavaScript Calculation: JavaScript can process user input, perform a

Question 6

What is JavaScript? What are the potential platforms where JavaScript can be used?

Marks: 5

Year: 2021 Final TU FOHSS

1. Definition of JavaScript JavaScript is a high-level, interpreted, client-side scripting language that is primarily used to make web pages interactive and dynamic. Key Points: - Runs in the web

Question 7

Define JavaScript event. Illustrate how an event handler response particular event in web page.

Marks: 5

Year: 2021 Final TU FOHSS

1. Definition of JavaScript Event A JavaScript event is an action or occurrence that happens in the browser, usually caused by the user or the browser itself. - Examples: Clicking a button, moving t

Question 8

What is an Immediately Invoked Function in JavaScript? Explain with suitable example.

Marks: 5

Year: 2021 Final TU FOHSS

1. Definition of Immediately Invoked Function An Immediately Invoked Function Expression (IIFE) is a JavaScript function that runs automatically as soon as it is defined. Key Points: - Defined and

Question 9

What is jQuery? illustrate different types of selectors in jQuery with appropriate example?

Marks: 5

Year: 2021 Final TU FOHSS

1. Definition of jQuery jQuery is a fast, small, and feature-rich JavaScript library that simplifies tasks such as: - HTML document traversal and manipulation - Event handling - Animations - AJAX inte

Question 10

What is the benefit of using AJAX? Discuss major methods that communicate with server-side scripting.

Marks: 5

Year: 2021 Final TU FOHSS

1. Benefits of Using AJAX AJAX allows asynchronous communication between the client (browser) and server without reloading the web page. Key Benefits: - Faster User Experience: Updates parts of the

Question 11

a) Write a program which includes a function sum(). This function sum() should be designed to add an arbitrary list of parameters. (For e.g ., if you call the function sum() as sum (1, 2) it should re

Marks: 10

Year: 2021 Final TU FOHSS

1. Part (a) – Arbitrary Parameters Sum Function JavaScript Function Using Rest Parameters html <!DOCTYPE html> <html> <head> <title>Sum Function</title> <script> // Function to add arbitrary

Question 12

Explain the Features of Javascript?

Marks: 5

Year: 2022 Final TU FOHSS

1. Definition JavaScript is a high-level, interpreted scripting language used primarily for creating interactive and dynamic web pages. --- 2. Features of JavaScript | Feature | Description | |-----

Question 13

What is need for client side scripting? Write a JavaScript which accept user's first and last name and print them in reverse order with space between them.

Marks: 5

Year: 2023 Final TU FOHSS

1. Need for Client-Side Scripting Definition Client-side scripting refers to scripts that run in the user's browser rather than on the server. Key Points / Need: - Immediate Feedback: Validates u

Question 14

Write JS program to highlight all of the words over eight characters long in the paragraph text (with a red background).

Marks: 5

Year: 2024 Final TU FOHSS

1. HTML + JavaScript Code html <!DOCTYPE html> <html> <head> <title>Highlight Long Words</title> <style> .highlight { background-color: red; color: white; } </style> <scrip

Question 15

Write a HTML code to design a form with three radio button green, red, blue and black. Write a JavaScript code that will change the background color of the page when user clicks on particular button.

Marks: 5

Year: 2023 Final TU FOHSS

1. HTML + JavaScript Code html <!DOCTYPE html> <html> <head> <title>Change Background Color</title> <script> function changeColor(color) { document.body.style.backgroundColor = color;

Question 16

What is syntax to create AJAX object? Design and develop dynamic web application using HTML, AJAX and PHP.

Marks: 5

Year: 2023 Final TU FOHSS

1. Syntax to Create AJAX Object In JavaScript, an AJAX object is created using the XMLHttpRequest object: javascript var xhr = new XMLHttpRequest(); Key Points: - xhr.open("METHOD", "URL", true) – Ini

Question 17

What are different way to include JavaScript in HTML document? Create a HTML page containing a division with image and its description in paragraph. Write a JavaScript function to change the value of

Marks: 10

Year: 2023 Final TU FOHSS

1. Ways to Include JavaScript in HTML (2 Marks) 1. Inline JavaScript - JavaScript code is written directly inside an HTML element using the onclick, onmouseover, etc. html <button onclick="

Question 18

How jQuery is differing from JavaScript? Discuss different types of jQuery selectors with example.

Marks: 10

Year: 2023 Final TU FOHSS

1. Difference Between jQuery and JavaScript | Feature | JavaScript | jQuery | |---------|-----------|--------| | Definition | A programming language for web development | A fast, small, and feature-r

Question 19

What is JavaScript? Explain different types of JavaScript with proper example.

Marks: 5

Year: 2024 Final TU FOHSS

1. Definition of JavaScript JavaScript is a high-level, interpreted scripting language primarily used to make web pages interactive and dynamic. - Runs on the client-side (browser) but can also run

Question 20

What is jQuery? Explain XMLHttpRequest object with it's properties and methods with relevant example.

Marks: 5

Year: 2024 Final TU FOHSS

1. Definition of jQuery jQuery is a fast, small, and feature-rich JavaScript library designed to simplify: - DOM manipulation - Event handling - Animations - AJAX calls - Cross-browser compatibility