What does the $ sign represent in jQuery syntax?

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

Which jQuery method is used to handle click events?

A). .on()

B). .click()

C). .handle()

D). .trigger()

How can you include jQuery in an HTML document?

A). tag

B). External file

C). <script> tag

D). Embedding code

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

A). Remove a class

B). Add a class

C). Toggle a class

D). Hide an element

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

A). Loop through elements

B). Handle events

C). Create animations

D). Perform AJAX requests

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

What does the .attr() method do in jQuery?

A). Add attributes

B). Get or set attributes

C). Remove attributes

D). Toggle attributes

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

A). selectByClass()

B). getElementByClass()

C). querySelector()

D). $('.className')

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

A). Change HTML content

B). Get HTML content

C). Add HTML content

D). Hide an element

What does the .val() method do in jQuery?

A). Remove form inputs

B). Validate form inputs

C). Get or set the value

D). Add validation rules