---
title: WebKitTransitionEvent
framework: webkitjs
role: symbol
role_heading: Class
path: webkitjs/webkittransitionevent
---

# WebKitTransitionEvent

WebKitTransitionEvent objects provide information about CSS transitions specified using the transition property. An event is sent at the end of a transition for each CSS property in the transition. Each event contains the name of the CSS property and duration of the transition. You can use these events to perform some action that starts at the end of a transition.

## Declaration

```data
interface WebKitTransitionEvent
```

## Overview

Overview For more on CSS transition events, see https://www.w3.org/TR/css3-transitions/#transition-events.

## Topics

### Accessing Properties

- [propertyName](webkitjs/webkittransitionevent/1630487-propertyname.md)
- [elapsedTime](webkitjs/webkittransitionevent/1629406-elapsedtime.md)

### Initializing

- [initWebKitTransitionEvent](webkitjs/webkittransitionevent/1806991-initwebkittransitionevent.md)

### Instance Properties

- [pseudoElement](webkitjs/webkittransitionevent/1632635-pseudoelement.md)

## Relationships

### Inherits From

- [Event](tvmljs/event.md)