What does $ represent in jQuery syntax?
A). Comment
B). Variable name
C). jQuery object
D). Function
Select all elements with a specific class in jQuery?
A). selectByClass('.classname')
B). getElementByClass('classname')
C). $('.classname')
D). document.getElementsByClassName('classname')
How to append content to an element in jQuery?
A). appendContent()
B). addContent()
C). insert()
D). attach()
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 .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
How to stop animations in jQuery?
A). .halt()
B). .finish()
C). .stop()
D). .pause()
How to select elements by their ID?
A). selectById()
B). getElementById()
C). querySelector()
D). $('#elementId')
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 jQuery in an HTML document?
A). Download jQuery file
B). Use a CDN
C). Embed jQuery code
D). Import jQuery module