---
title: elapsedTime
framework: webkitjs
role: symbol
role_heading: Instance Property
path: webkitjs/webkittransitionevent/1629406-elapsedtime
---

# elapsedTime

The duration of the transition, in seconds, since this event was sent. This value is not affected by the value of the CSS transition-delay property.

## Declaration

```data
readonly attribute double elapsedTime;
```

## See Also

### Accessing Properties

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