Answer & Solution
$('.classname') selects all elements with the class 'classname'.
$('.classname') selects all elements with the class 'classname'.
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();
Which jQuery selector is used to select elements by their class?
A). .selectByClass('classname')
B). $('class:classname')
C). $('classname')
D). $('.classname')
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')
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 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')
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 all <div> elements using jQuery?
A). $('div').addClass('selected');
B). document.querySelectorAll('div');
C). $(document).select('div');
D). $('div').find();
How to select elements by their tag name using jQuery?
A). $('.tagname')
B). $('tagname')
C). $('element:tagname')
D). $('[tagname]')
How to select the first
A). $('ul li').first();
B). $('ul > li').first();
C). $('li:first-child');
D). $('ul').first().find('li');