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https://github.com/puppeteer/puppeteer
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33 lines
739 B
Markdown
33 lines
739 B
Markdown
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---
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sidebar_label: PredefinedNetworkConditions
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---
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# PredefinedNetworkConditions variable
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A list of network conditions to be used with [Page.emulateNetworkConditions()](./puppeteer.page.emulatenetworkconditions.md).
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**Signature:**
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```typescript
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PredefinedNetworkConditions: Readonly<{
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'Slow 3G': NetworkConditions;
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'Fast 3G': NetworkConditions;
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}>;
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```
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## Example
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```ts
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import {PredefinedNetworkConditions} from 'puppeteer';
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const slow3G = PredefinedNetworkConditions['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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