--- sidebar_label: BrowserEvent --- # BrowserEvent enum All the events a [browser instance](./puppeteer.browser.md) may emit. #### Signature: ```typescript export declare const enum BrowserEvent ``` ## Enumeration Members | Member | Value | Description | | --------------- | ---------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Disconnected | "disconnected" |

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.

| | TargetChanged | "targetchanged" | Emitted when the URL of a target changes. Contains a [Target](./puppeteer.target.md) instance. | | TargetCreated | "targetcreated" |

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.

| | TargetDestroyed | "targetdestroyed" | Emitted when a target is destroyed, for example when a page is closed. Contains a [Target](./puppeteer.target.md) instance. |