Math.random() returns value between:

• A) -1 and 1
• B) 0 and 1
• C) 10 and 100
• D) 1 and 10

XML is used as a format for document storage and processing, ____________.

• A) both online and offline
• B) online
• C) None of the given options
• D) offline

What is the main advantage of AJAX?

• A) Loads data without refreshing the page
• B) Changes CSS styles
• C) Creates new HTML pages
• D) Reloads the full page

XML is commonly used to:

• A) Replace JavaScript
• B) Separate data from presentation
• C) Design hardware
• D) Compress images

Which parameter is required in load() method?

• A) status
• B) URL
• C) data
• D) callback

fadeToggle() does what?

• A) Stops animation
• B) Only fades out
• C) Toggles fade in/out
• D) Only fades in

Which of the following is a correct example of jQuery chaining?

• A) slideUp, slideDown
• B) css + slideUp
• C) css().slideUp().slideDown()
• D) css(); slideUp();

Where can $ still be used after noConflict()?

• A) Only in CSS
• B) Inside a function where it is passed as a parameter
• C) Nowhere
• D) Anywhere in code

A while loop executes:

• A) A fixed number of times
• B) Infinite number of times
• C) Only once
• D) As long as the condition remains true

How can we access a form using JavaScript?

• A) window.form()
• B) document.getElementByClass()
• C) document.forms["formName"]
• D) getForm()

undefined means:

• A) Value not assigned yet
• B) Null value
• C) String value
• D) Number value

Loop performance improves when you:

• A) Increase iterations
• B) Use recursion
• C) Move calculations outside the loop
• D) Add extra variables

What happens when a break statement is executed?

• A) The loop terminates immediately and control exits the loop
• B) Only one iteration is skipped
• C) The loop restarts
• D) The loop continues execution

Default parameters help to:

• A) Remove function
• B) Stop execution
• C) Prevent undefined values in functions
• D) Create loops

The unary + operator is used to:

• A) Convert a string into a number
• B) Convert a boolean into a string
• C) Convert an object into an array
• D) Convert a number into a string

AJAX is about:

• A) Both Sending and receiving data from server by reloading the whole page
• B) Receiving data from server without reloading the whole page
• C) Sending data to server without reloading the whole page
• D) Both sending and receiving data from server without reloading the whole page

What is the purpose of the pop() method in JavaScript arrays?

• A) Sorts the elements of the array
• B) Adds an element at the beginning of the array
• C) Removes the last element from the array
• D) Removes the first element from the array

Which of the following method(s) is/are used for traversing up the DOM tree?

• A) parents() and grandParents()
• B) parent()
• C) parental()
• D) grandParents()

What value will be returned by the following JavaScript expression?
1 == "1"

• A) NaN
• B) Infinity
• C) True
• D) False

Which of the following statement is correct about Associative arrays?

• A) Arrays with named indexes.
• B) Arrays without named indexes.
• C) Arrays with indexes.
• D) Arrays without indexes.