--- 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 <table><thead><tr><th> Member </th><th> Value </th><th> Description </th></tr></thead> <tbody><tr><td> Disconnected </td><td> `"disconnected"` </td><td> 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. **Remarks:** Note that this includes target changes in all browser contexts. </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. **Remarks:** Note that this includes target creations in all browser contexts. </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. **Remarks:** Note that this includes target destructions in all browser contexts. </td></tr> </tbody></table>