Answer & Solution
$('.classname') selects all elements with the class 'classname'.
$('.classname') selects all elements with the class 'classname'.
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();
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
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')
How to select the first
A). $('ul li').first();
B). $('ul > li').first();
C). $('li:first-child');
D). $('ul').first().find('li');
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')
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();
How to select elements with a specific class using jQuery?
A). $('classname')
B). $('element.classname')
C). $('.classname')
D). $('[classname]')
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);