What does $ represent in jQuery syntax?
A). Comment
B). Variable name
C). jQuery object
D). Function
What's the purpose of .fadeOut() in jQuery?
A). Show element with fading effect
B). Hide element with fading effect
C). Toggle visibility of element with fading effect
D). Adjust opacity of element gradually
Execute jQuery code when DOM is fully loaded?
A). document.onload
B). Embed jQuery in HTML
C). .ready() method
D). window.onload
How to include external script in HTML?
A). <script src=''>
B). <link href=''>
C). <jquery src=''>
D). <style src=''>
How to append content to an element in jQuery?
A). appendContent()
B). addContent()
C). insert()
D). attach()
How to select elements with a specific attribute in jQuery?
A). $('[attribute]')
B). getElementsByAttribute('attribute')
C). querySelector('[attribute]')
D). selectByAttribute('[attribute]')
What's the purpose of using a CDN for jQuery?
A). Faster page load
B). Offline use
C). Smaller file size
D). Personalization
Select all elements with a specific class in jQuery?
A). selectByClass('.classname')
B). getElementByClass('classname')
C). $('.classname')
D). document.getElementsByClassName('classname')
How to execute jQuery code when a button is clicked?
A). .on('click')
B). .click()
C). .bind('click')
D). .trigger('click')
How to select elements with a specific attribute in jQuery?
A). $('[attribute]')
B). getElementsByAttribute('attribute')
C). querySelector('[attribute]')
D). selectByAttribute('[attribute]')