What does $ represent in jQuery syntax?

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

A). Get HTML content

B). Change HTML content

C). Add HTML content

D). Hide elements

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 using a CDN for jQuery?

A). Faster page load

B). Offline use

C). Smaller file size

D). Personalization

How to include external script in HTML?

A). <script src=''>

B). <link href=''>

C). <jquery src=''>

D). <style src=''>

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

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

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

How to select elements by their ID?

A). selectById()

B). getElementById()

C). querySelector()

D). $('#elementId')

Purpose of .css() in jQuery?

A). Create animations

B). Apply CSS styles

C). Get computed CSS

D). Append CSS files

How to execute jQuery code when a button is clicked?

A). .on('click')

B). .click()

C). .bind('click')

D). .trigger('click')