Which jQuery selector is used to select elements by their class?

How to select the first element within a set of matched elements using jQuery?

A). $('element:first')

B). $('element').first();

C). $('element').eq(0);

D). $('element').first();

How to select the first

What does the selector $('p.intro') select in jQuery?

A). All <p> elements with the class 'intro'

B). All <p> elements in the document

C). All elements with the class 'intro'

D). All elements with the tag name 'intro'

How to select elements with a specific attribute that begins with a certain value using jQuery?

A). $('[attribute^=value]')

B). $('attribute^=value')

C). $('element[attribute^=value]')

D). $('.attribute^=value')

How to select the element with the ID 'header' using jQuery?

A). $('#header').show();

B). $('header').select();

C). $('.header').show();

D). $('header').show();

What does the selector $('ul li') select in jQuery?

A). All <ul> elements

B). All <li> elements in the document

C). All <li> elements within <ul> elements

D). All elements within <ul> elements

How to select the last element within a set of matched elements using jQuery?

A). $('element').last();

B). $('element:last-child');

C). $('element:last');

D). $('element').eq(-1);

How to select elements with a specific attribute using jQuery?

A). $('[attribute]')

B). $('attribute')

C). $('element[attribute]')

D). $('.attribute')

How to select all <div> elements using jQuery?

A). $('div').addClass('selected');

B). document.querySelectorAll('div');

C). $(document).select('div');

D). $('div').find();

How to select elements with a specific class using jQuery?

A). $('classname')

B). $('element.classname')

C). $('.classname')

D). $('[classname]')