46 lines
1.3 KiB
Markdown
46 lines
1.3 KiB
Markdown
---
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sidebar_label: Page.emulateNetworkConditions
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---
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# Page.emulateNetworkConditions() method
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**Signature:**
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```typescript
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class Page {
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emulateNetworkConditions(
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networkConditions: NetworkConditions | null
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): Promise<void>;
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}
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```
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## Parameters
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| Parameter | Type | Description |
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| ----------------- | ------------------------------------------------------------- | --------------------------------------------------------------- |
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| networkConditions | [NetworkConditions](./puppeteer.networkconditions.md) \| null | Passing <code>null</code> disables network condition emulation. |
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**Returns:**
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Promise<void>
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## Remarks
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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).
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## Example
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```ts
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const puppeteer = require('puppeteer');
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const slow3G = puppeteer.networkConditions['Slow 3G'];
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(async () => {
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const browser = await puppeteer.launch();
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const page = await browser.newPage();
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await page.emulateNetworkConditions(slow3G);
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await page.goto('https://www.google.com');
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// other actions...
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await browser.close();
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})();
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```
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