---
title: MutationEvent
framework: webkitjs
role: symbol
role_heading: Class
path: webkitjs/mutationevent
---

# MutationEvent

## Declaration

```data
interface MutationEvent
```

## Topics

### Instance Properties

- [attrChange](webkitjs/mutationevent/1631306-attrchange.md)
- [attrName](webkitjs/mutationevent/1633029-attrname.md)
- [newValue](webkitjs/mutationevent/1632817-newvalue.md)
- [prevValue](webkitjs/mutationevent/1632574-prevvalue.md)
- [relatedNode](webkitjs/mutationevent/1633612-relatednode.md)

### Instance Methods

- [initMutationEvent](webkitjs/mutationevent/1634443-initmutationevent.md)

### Miscellaneous

- [ADDITION](webkitjs/mutationevent/1630139-addition.md)
- [MODIFICATION](webkitjs/mutationevent/1631748-modification.md)
- [REMOVAL](webkitjs/mutationevent/1629626-removal.md)

## Relationships

### Inherits From

- [Event](tvmljs/event.md)