Frontend development BCA 2025 pyq Of 4th semester

NBCA/M-25 Total Pages: 2FRONT-END DEVELOPMENT Paper-CC-B4:B23-CAP-402 Time Allowed: 3 Hours] 2327 [Maximum Marks: 50 Note: Attempt five questions in all, selecting one question from each Unit. Question No. 1 is compulsory. All questions carry equal marks.Compulsory Question 1. Write short notes on the following: 4x2 1/2=10 (a) Explain type conversion functions in JavaScript. (b) Differentiate Event Bubbling and Capturing. (c) Explain Regular expression methods with example. (d) Is jQuery is a replacement for JavaScript? Explain with example. UNIT-I 2. Explain the methods of JavaScript creation with examples. 10 3. What is the usage of Regular Expressions? Explain with examples. 10 UNIT-II 4. Explain Window objects and methods with examples. 10 5. What is Event handling? Explain JavaScript event handlers with examples. 10- 6. UNIT-III How Cookies helpful in Browser Object Model? 10 7. How forms are validated ? Explain with examples. 10 UNIT-IV 8. Explain jQuery events with examples. 10 9. What are the jQuery functions are used to provide effects? 10