What's the purpose of using a CDN for jQuery?

What does $ represent in jQuery syntax?

A). Comment

B). Variable name

C). jQuery object

D). Function

What's the purpose of .slideUp() in jQuery?

A). Slide down element

B). Slide up element

C). Toggle visibility of element with sliding effect

D). Adjust height of element gradually

How to select elements with a specific attribute in jQuery?

A). $('[attribute]')

B). getElementsByAttribute('attribute')

C). querySelector('[attribute]')

D). selectByAttribute('[attribute]')

Select all elements with a specific class in jQuery?

A). selectByClass('.classname')

B). getElementByClass('classname')

C). $('.classname')

D). document.getElementsByClassName('classname')

What's the purpose of .slideDown() in jQuery?

A). Slide down element

B). Slide up element

C). Toggle visibility of element with sliding effect

D). Adjust height of element gradually

How to execute jQuery code only after the entire page has loaded, including images?

A). document.onload

B). window.onload

C). .load() method

D). .ready() method

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 select elements with a specific attribute in jQuery?

A). $('[attribute]')

B). getElementsByAttribute('attribute')

C). querySelector('[attribute]')

D). selectByAttribute('[attribute]')

How to select elements by their ID?

A). selectById()

B). getElementById()

C). querySelector()

D). $('#elementId')