puppeteer/website/versioned_docs/version-18.0.5/api/puppeteer.page.emulatenetworkconditions.md
release-please[bot] ddc567a4b6
chore(main): release 18.0.5 (#8997)
* chore(main): release 18.0.5

* chore: generate versioned docs

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
2022-09-22 10:46:01 +02:00

1.3 KiB

sidebar_label
Page.emulateNetworkConditions

Page.emulateNetworkConditions() method

Signature:

class Page {
  emulateNetworkConditions(
    networkConditions: NetworkConditions | null
  ): Promise<void>;
}

Parameters

Parameter Type Description
networkConditions NetworkConditions | null Passing null disables network condition emulation.

Returns:

Promise<void>

Remarks

NOTE: This does not affect WebSockets and WebRTC PeerConnections (see https://crbug.com/563644). To set the page offline, you can use [page.setOfflineMode(enabled)](#pagesetofflinemodeenabled).

Example

const puppeteer = require('puppeteer');
const slow3G = puppeteer.networkConditions['Slow 3G'];

(async () => {
  const browser = await puppeteer.launch();
  const page = await browser.newPage();
  await page.emulateNetworkConditions(slow3G);
  await page.goto('https://www.google.com');
  // other actions...
  await browser.close();
})();