How to execute jQuery code when a button is clicked?

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

A). Check element status

B). Execute after DOM

C). Determine event

D). Apply styles

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]')

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 .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

Select all elements with a specific class in jQuery?

A). selectByClass('.classname')

B). getElementByClass('classname')

C). $('.classname')

D). document.getElementsByClassName('classname')

How to select elements by their ID?

A). selectById()

B). getElementById()

C). querySelector()

D). $('#elementId')

What does $ represent in jQuery syntax?

A). Comment

B). Variable name

C). jQuery object

D). Function

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