How to select elements with a specific class using jQuery?

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

A). .selectByClass('classname')

B). $('class:classname')

C). $('classname')

D). $('.classname')

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 $('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'

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

A). $('parent + child')

B). $('parent > child')

C). $('parent child')

D). $('parent ~ child')

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 based on their position in a group of selected elements?

A). $('element:odd')

B). $('element:nth-child(odd)')

C). $('element:nth-of-type(odd)')

D). $('element:nth(odd)')

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);

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

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 all <div> elements using jQuery?

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

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

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

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