How to select elements with a specific attribute in jQuery?

What's the purpose of .fadeIn() 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

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

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 when a button is clicked?

A). .on('click')

B). .click()

C). .bind('click')

D). .trigger('click')

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

A). Get HTML content

B). Change HTML content

C). Add HTML content

D). Hide elements

How to append content to an element in jQuery?

A). appendContent()

B). addContent()

C). insert()

D). attach()

Select all elements with a specific class in jQuery?

A). selectByClass('.classname')

B). getElementByClass('classname')

C). $('.classname')

D). document.getElementsByClassName('classname')

How to include external script in HTML?

A). <script src=''>

B). <link href=''>

C). <jquery src=''>

D). <style src=''>

How to select elements by their ID?

A). selectById()

B). getElementById()

C). querySelector()

D). $('#elementId')

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

A). Faster page load

B). Offline use

C). Smaller file size

D). Personalization