What does the $ sign represent in jQuery syntax?

How can you include jQuery in an HTML document?

A). tag

B). External file

C). <script> tag

D). Embedding code

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 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

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 .slideUp() method in jQuery?

A). Slide down element

B). Slide up element

C). Toggle visibility of element with sliding effect

D). Adjust height of element gradually

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

A). Add attributes

B). Get or set attributes

C). Remove attributes

D). Toggle attributes

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

What is jQuery?

A). JavaScript framework

B). Programming language

C). Markup language

D). Database language

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

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

A). selectByClass()

B). getElementByClass()

C). querySelector()

D). $('.className')