Emitted when Puppeteer gets disconnected from the browser instance. This might happen because either:
- The browser closes/crashes or - [Browser.disconnect()](./puppeteer.browser.disconnect.md) was called.
</td></tr>
<tr><td>
TargetChanged
</td><td>
`"targetchanged"`
</td><td>
Emitted when the URL of a target changes. Contains a [Target](./puppeteer.target.md) instance.
</td></tr>
<tr><td>
TargetCreated
</td><td>
`"targetcreated"`
</td><td>
Emitted when a target is created, for example when a new page is opened by [window.open](https://developer.mozilla.org/en-US/docs/Web/API/Window/open) or by [browser.newPage](./puppeteer.browser.newpage.md)
Contains a [Target](./puppeteer.target.md) instance.
</td></tr>
<tr><td>
TargetDestroyed
</td><td>
`"targetdestroyed"`
</td><td>
Emitted when a target is destroyed, for example when a page is closed. Contains a [Target](./puppeteer.target.md) instance.