Performs an animation that fades an item or set of items into view.
The following video demonstrates the fade in and out animations:
Element or elements being faded in.
An object that completes when the animation has finished. Use this object when subsequent actions need this animation to finish before they take place.
The shown parameter can be expressed in several ways:
- As the special value "undefined", which means that the animation has no such target
- As a single object
- As a NodeList (for example, the result of querySelectorAll)
- As an HTMLCollection
Minimum WinJS version