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

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 the element with the ID 'header' using jQuery?

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

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

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

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

Which jQuery selector targets elements that are direct children of a specified parent element?

A). $('parent > child')

B). $('parent + child')

C). $('parent child')

D). $('parent ~ child')

Which jQuery selector is used to target elements that are not selected by other selectors?

A). :not()

B). :exclude()

C). :exclude-selectors()

D). :except()

How to select elements by their tag name using jQuery?

A). $('.tagname')

B). $('tagname')

C). $('element:tagname')

D). $('[tagname]')

How to select elements with a specific attribute and value using jQuery?

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

B). $('attribute=value')

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

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

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

How to select elements with a specific attribute using jQuery?

A). $('[attribute]')

B). $('attribute')

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

D). $('.attribute')

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

A). All <ul> elements

B). All <li> elements in the document

C). All <li> elements that are direct children of <ul> elements

D). All elements within <ul> elements