What is the purpose of the .addClass() method in jQuery?

What does the $ sign represent in jQuery syntax?

A). Variable name

B). Define a function

C). jQuery object

D). Comment

How do you select an element with ID 'example' using jQuery?

A). $('example')

B). $('#example')

C). $('.example')

D). document.getElementById('example')

How can you execute jQuery code after the DOM is fully loaded?

A). document.onload

B). Embedding jQuery code

C). jQuery.ready()

D). window.onload

Which jQuery method is used to handle click events?

A). .on()

B). .click()

C). .handle()

D). .trigger()

Which jQuery method is used to select elements by their class name?

A). selectByClass()

B). getElementByClass()

C). querySelector()

D). $('.className')

How can you include jQuery in an HTML document?

A). tag

B). External file

C). <script> tag

D). Embedding code

How can you animate an element's width using jQuery?

A). $('#element').animate({width: '+=100px'})

B). $('#element').animate({width: '100px'})

C). $('#element').width('100px')

D). $('#element').style

What is the purpose of the .fadeIn() method in jQuery?

A). Show element with fading effect

B). Hide element with fading effect

C). Toggle visibility of element with fading effect

D). Adjust opacity of element gradually

Which of the following is true about jQuery selectors?

A). Select by tag name

B). Cannot select by ID

C). Can select by various criteria

D). Limited to selecting parent elements

What is the purpose of the .css() method in jQuery?

A). Create CSS styles

B). Apply CSS styles

C). Change color of text

D). Hide elements