Which of the following is true about jQuery selectors?

What is jQuery?

A). JavaScript framework

B). Programming language

C). Markup language

D). Database language

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

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

A). Add attributes

B). Get or set attributes

C). Remove attributes

D). Toggle attributes

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

A). $('example')

B). $('#example')

C). $('.example')

D). document.getElementById('example')

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 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

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 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

Which function is used to execute code when the DOM is fully loaded in jQuery?

A). execute()

B). ready()

C). load()

D). complete()