mirror of
https://github.com/puppeteer/puppeteer
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304 lines
4.5 KiB
Markdown
304 lines
4.5 KiB
Markdown
---
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sidebar_label: PageEvent
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---
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# PageEvent enum
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All the events that a page instance may emit.
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#### Signature:
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```typescript
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export declare const enum PageEvent
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```
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## Enumeration Members
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<table><thead><tr><th>
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Member
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</th><th>
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Value
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</th><th>
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Description
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</th></tr></thead>
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<tbody><tr><td>
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Close
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</td><td>
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`"close"`
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</td><td>
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Emitted when the page closes.
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</td></tr>
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<tr><td>
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Console
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</td><td>
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`"console"`
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</td><td>
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Emitted when JavaScript within the page calls one of console API methods, e.g. `console.log` or `console.dir`. Also emitted if the page throws an error or a warning.
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**Remarks:**
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A `console` event provides a [ConsoleMessage](./puppeteer.consolemessage.md) representing the console message that was logged.
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</td></tr>
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<tr><td>
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Dialog
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</td><td>
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`"dialog"`
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</td><td>
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Emitted when a JavaScript dialog appears, such as `alert`, `prompt`, `confirm` or `beforeunload`. Puppeteer can respond to the dialog via [Dialog.accept()](./puppeteer.dialog.accept.md) or [Dialog.dismiss()](./puppeteer.dialog.dismiss.md).
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</td></tr>
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<tr><td>
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DOMContentLoaded
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</td><td>
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`"domcontentloaded"`
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</td><td>
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Emitted when the JavaScript [DOMContentLoaded](https://developer.mozilla.org/en-US/docs/Web/Events/DOMContentLoaded) event is dispatched.
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</td></tr>
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<tr><td>
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Error
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</td><td>
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`"error"`
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</td><td>
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Emitted when the page crashes. Will contain an `Error`.
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</td></tr>
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<tr><td>
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FrameAttached
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</td><td>
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`"frameattached"`
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</td><td>
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Emitted when a frame is attached. Will contain a [Frame](./puppeteer.frame.md).
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</td></tr>
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<tr><td>
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FrameDetached
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</td><td>
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`"framedetached"`
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</td><td>
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Emitted when a frame is detached. Will contain a [Frame](./puppeteer.frame.md).
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</td></tr>
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<tr><td>
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FrameNavigated
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</td><td>
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`"framenavigated"`
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</td><td>
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Emitted when a frame is navigated to a new URL. Will contain a [Frame](./puppeteer.frame.md).
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</td></tr>
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<tr><td>
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Load
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</td><td>
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`"load"`
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</td><td>
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Emitted when the JavaScript [load](https://developer.mozilla.org/en-US/docs/Web/Events/load) event is dispatched.
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</td></tr>
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<tr><td>
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Metrics
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</td><td>
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`"metrics"`
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</td><td>
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Emitted when the JavaScript code makes a call to `console.timeStamp`. For the list of metrics see [page.metrics](./puppeteer.page.metrics.md).
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**Remarks:**
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Contains an object with two properties:
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- `title`: the title passed to `console.timeStamp` - `metrics`: object containing metrics as key/value pairs. The values will be `number`s.
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</td></tr>
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<tr><td>
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PageError
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</td><td>
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`"pageerror"`
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</td><td>
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Emitted when an uncaught exception happens within the page. Contains an `Error`.
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</td></tr>
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<tr><td>
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Popup
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</td><td>
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`"popup"`
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</td><td>
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Emitted when the page opens a new tab or window.
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Contains a [Page](./puppeteer.page.md) corresponding to the popup window.
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</td></tr>
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<tr><td>
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Request
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</td><td>
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`"request"`
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</td><td>
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Emitted when a page issues a request and contains a [HTTPRequest](./puppeteer.httprequest.md).
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**Remarks:**
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The object is readonly. See [Page.setRequestInterception()](./puppeteer.page.setrequestinterception.md) for intercepting and mutating requests.
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</td></tr>
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<tr><td>
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RequestFailed
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</td><td>
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`"requestfailed"`
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</td><td>
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Emitted when a request fails, for example by timing out.
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Contains a [HTTPRequest](./puppeteer.httprequest.md).
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**Remarks:**
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HTTP Error responses, such as 404 or 503, are still successful responses from HTTP standpoint, so request will complete with `requestfinished` event and not with `requestfailed`.
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</td></tr>
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<tr><td>
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RequestFinished
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</td><td>
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`"requestfinished"`
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</td><td>
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Emitted when a request finishes successfully. Contains a [HTTPRequest](./puppeteer.httprequest.md).
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</td></tr>
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<tr><td>
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RequestServedFromCache
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</td><td>
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`"requestservedfromcache"`
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</td><td>
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Emitted when a request ended up loading from cache. Contains a [HTTPRequest](./puppeteer.httprequest.md).
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**Remarks:**
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For certain requests, might contain undefined. [https://crbug.com/750469](https://crbug.com/750469)
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</td></tr>
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<tr><td>
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Response
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</td><td>
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`"response"`
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</td><td>
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Emitted when a response is received. Contains a [HTTPResponse](./puppeteer.httpresponse.md).
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</td></tr>
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<tr><td>
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WorkerCreated
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</td><td>
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`"workercreated"`
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</td><td>
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Emitted when a dedicated [WebWorker](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API) is spawned by the page.
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</td></tr>
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<tr><td>
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WorkerDestroyed
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</td><td>
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`"workerdestroyed"`
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</td><td>
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Emitted when a dedicated [WebWorker](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API) is destroyed by the page.
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</td></tr>
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</tbody></table>
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