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.
How to select all <div> elements using jQuery?
A). $('div').addClass('selected');
B). document.querySelectorAll('div');
C). $(document).select('div');
D). $('div').find();
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')
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'
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 using jQuery?
A). $('[attribute]')
B). $('attribute')
C). $('element[attribute]')
D). $('.attribute')
How to select elements with a specific class using jQuery?
A). $('classname')
B). $('element.classname')
C). $('.classname')
D). $('[classname]')
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 elements by their tag name using jQuery?
A). $('.tagname')
B). $('tagname')
C). $('element:tagname')
D). $('[tagname]')
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);
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')