A CSS class applied directly to the selector

A jQuery method performed on the selected elements

A brand new element inserted into the selector

The element appears instantly, with no animation

The element fades in over 400 milliseconds

Nothing happens unless a duration is supplied

Yes, all core jQuery effect methods support an optional callback

No, callbacks only work with fade methods

Switches that property between its current value and its opposite/hidden state

Resets the property to its default CSS value

The DOM element the effect was performed on

Every method in the chain runs safely and simply does nothing

The chain throws a runtime error immediately

Only the first method executes and the rest are skipped

All three <li> elements are completely removed from the DOM

They are removed from the DOM and their data/handlers are cleaned up

They remain in the DOM but become invisible

They are moved to become siblings of #box

Yes, it returns true if the element has all listed classes

No, it only checks for a single class name at a time

Yes, it returns true if the element has any listed class

The actual computed color value, such as "rgb(0, 0, 0)"

Sending data to a server without reloading the page

Moving from a selected element to related elements, such as its parents, children, or siblings

Animating an element from one CSS state to another

Yes, both are included since they are true ancestors of the element

No, only the immediate parent is ever returned

A jQuery object or DOM element to match against

$.get(function(response){ ... }, "demo.php")

$.get("demo.php", function(response){ ... })

$("demo.php").get(function(response){ ... })

jQuery Quiz