Theory of Computation — DU B.Sc. (Hons) Computer Science Previous Year Question Papers

(v) Write the jQuery code to change the background color of a <div> with the ID content when the mouse hovers over it. (c) Write a jQuery function to test whether a given date lies between January 1, 2024, and December 2. This question paper has two sections A and B. 5. All parts of a question should be answered together. 1. (a) Write HTML code to create a table on a webpage with the following data: Name Age|Country DEF 34 India GHI 22 Russia Apply basic table styles such as borders, padding, and background color to the table. (5) (b) What is the output of following code segment? var a = true + true + true * 3; document. write(a); (iii) To remove the list items of <ol> element. (iv) To change the text of <div> element to "Hello world". (v) To toggle the visibility of an element with the ID #toggle. (5) (b) Discuss the purpose and usage of jQuery selectors and events through the following tasks: (i) Write the jQuery selector to select all <p> elements on a webpage. (ii) Write the jQuery selector to select an element with the ID myDiv. (iii) Write the jQuery selector to select all elements with the class highlight. (iv) Write the Query code to display an alert message when a button with the ID submitBtn is clicked. (c) Dropdown Menu: Allow users to choose a "Course" from at least three options. (d) Text Area: Add a section labeled "About Yourself" for detailed input. (e) Radio Buttons: Include options to select "Male" or "Female" or "Other" for "Gender." (f) Buttons: Include a "Submit" button to send data and a "Clear" button to reset the form. Ensure the form layout is user-friendly, with clear labels for each field and a logical organization. 7. (a) Write a single line jQuery code for the following: (i) To insert the text "Welcome to jQuery" at the end of a <p> element. (ii) To remove the <div> element. att; b += a *2; document. write(b); (iii) <script> var count = 0; while (count < 10) { counttt; if (count %2==1) 1 document. write(count); var x = 5; document. write(× + "5"); var x = 10; function test) { var x = 5; document.write(x); } test; document. write(x); (c) Define the following terminology with respect to the Internet. 1 (b) Write a JavaScript program to analyse a given string "JavaScript was invented by Brendan Eich in 1995". The program should count: (i) The number of words in the string. (ii) The number of whitespace characters. (iii) Occurrence of each character in the string. 6. Design a webpage that includes a structured HTML form with the following fields : (a) Text Inputs: Collect user details such as "FirstName", "LastName" "Course", and (b) Checkbox Options: Provide selections for PaperName "Web Design", "Machine Learning", and "Software Engineering." 4. (a) What is the purpose of a site map in website design, and how do linear, hierarchical, and webbed website structures organize and present content for navigation? (5)