Answer & Solution
$('#header').show();
selects the element with the ID 'header' and shows it.
$('#header').show();
selects the element with the ID 'header' and shows it.
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 by their tag name using jQuery?
A). $('.tagname')
B). $('tagname')
C). $('element:tagname')
D). $('[tagname]')
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');
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')
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 all elements with a specific class using jQuery?
A). $('.classname')
B). $('classname')
C). $('element.classname')
D). $('[classname]')
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 select elements by their class?
A). .selectByClass('classname')
B). $('class:classname')
C). $('classname')
D). $('.classname')
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();