---
title: EventSource
framework: webkitjs
role: symbol
role_heading: Class
path: webkitjs/eventsource
---

# EventSource

## Declaration

```data
interface EventSource
```

## Topics

### Instance Properties

- [URL](webkitjs/eventsource/1629667-url.md)
- [onerror](webkitjs/eventsource/1633840-onerror.md)
- [onmessage](webkitjs/eventsource/1629192-onmessage.md)
- [onopen](webkitjs/eventsource/1633269-onopen.md)
- [readyState](webkitjs/eventsource/1629335-readystate.md)
- [url](webkitjs/eventsource/1630792-url.md)
- [withCredentials](webkitjs/eventsource/1630541-withcredentials.md)

### Instance Methods

- [close](webkitjs/eventsource/1633862-close.md)

### Miscellaneous

- [CLOSED](webkitjs/eventsource/1633548-closed.md)
- [CONNECTING](webkitjs/eventsource/1629157-connecting.md)
- [OPEN](webkitjs/eventsource/1630491-open.md)

## Relationships

### Inherits From

- [EventTarget](tvmljs/eventtarget.md)