Visual Programming MCQs with Answers
Practice important Visual Programming MCQs with answers and explanations.
Multiple Choice Questions
Q681: What does the var keyword do in JavaScript?
- A: It declares a new variable
- B: It defines a function
- C: It creates a new object
- D: It imports a module
View Answer
A
Q682: How do you create a new array in JavaScript?
- A: var array = []
- B: var array = {}
- C: var array = ()
- D: var array = new Array()
View Answer
A
Q683: What is the function of the push() method in JavaScript arrays?
- A: It adds one or more elements to the end of an array
- B: It removes the first element from an array
- C: It retrieves the last element of an array
- D: It sorts the elements of an array
View Answer
A
Q684: How can you animate an element's background color from yellow to red using jQuery?
- A: $('element').animate({ backgroundColor: 'red' }, 1000);
- B: $('element').fadeTo('slow', 'red');
- C: $('element').css('background-color', 'red');
- D: $('element').changeColor('yellow', 'red');
View Answer
A
Q685: What is the role of XMLHttpRequest in AJAX?
- A: To make asynchronous requests to the server without reloading the page
- B: To parse XML data into JavaScript objects
- C: To handle client-side form validation
- D: To manage user sessions and cookies
View Answer
A
Q686: What is the main difference between client-side and server-side programming languages?
- A: Client-side languages run in the browser and handle immediate user interactions, while server-side languages handle server-side processing
- B: Server-side languages run in the browser and handle immediate user interactions, while client-side languages handle server-side processing
- C: Client-side languages are faster, while server-side languages are slower
- D: Client-side languages manage databases, while server-side languages handle HTML and CSS
View Answer
A
Q687: Which tag is used to include JavaScript code directly in an HTML document?
- A: