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

What does $ represent in jQuery syntax?

A). Comment

B). Variable name

C). jQuery object

D). Function

How to include external script in HTML?

A). <script src=''>

B). <link href=''>

C). <jquery src=''>

D). <style src=''>

Purpose of .css() in jQuery?

A). Create animations

B). Apply CSS styles

C). Get computed CSS

D). Append CSS files

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 .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]')

How to execute jQuery code when a button is clicked?

A). .on('click')

B). .click()

C). .bind('click')

D). .trigger('click')

Select all elements with a specific class in jQuery?

A). selectByClass('.classname')

B). getElementByClass('classname')

C). $('.classname')

D). document.getElementsByClassName('classname')

Execute jQuery code when DOM is fully loaded?

A). document.onload

B). Embed jQuery in HTML

C). .ready() method

D). window.onload

How to select elements by their ID?

A). selectById()

B). getElementById()

C). querySelector()

D). $('#elementId')