--- sidebar_label: BrowserContextEvent --- # BrowserContextEvent enum #### Signature: ```typescript export declare const enum BrowserContextEvent ``` ## Enumeration Members
Member Value Description
TargetChanged `"targetchanged"` Emitted when the url of a target inside the browser context changes. Contains a [Target](./puppeteer.target.md) instance.
TargetCreated `"targetcreated"` Emitted when a target is created within the browser context, for example when a new page is opened by [window.open](https://developer.mozilla.org/en-US/docs/Web/API/Window/open) or by [browserContext.newPage](./puppeteer.browsercontext.newpage.md) Contains a [Target](./puppeteer.target.md) instance.
TargetDestroyed `"targetdestroyed"` Emitted when a target is destroyed within the browser context, for example when a page is closed. Contains a [Target](./puppeteer.target.md) instance.