f07ad2c661
This PR updates the docs regarding configuring puppeteer. In addition, some changes have been made to the documentation generator to show default values on the documentation site. Also fixes: https://github.com/puppeteer/puppeteer/pull/9144
1.4 KiB
1.4 KiB
| sidebar_label |
|---|
| Page.emulateMediaType |
Page.emulateMediaType() method
Signature:
class Page {
emulateMediaType(type?: string): Promise<void>;
}
Parameters
| Parameter | Type | Description |
|---|---|---|
| type | string | (Optional) Changes the CSS media type of the page. The only allowed values are screen, print and null. Passing null disables CSS media emulation. |
Returns:
Promise<void>
Example
await page.evaluate(() => matchMedia('screen').matches);
// → true
await page.evaluate(() => matchMedia('print').matches);
// → false
await page.emulateMediaType('print');
await page.evaluate(() => matchMedia('screen').matches);
// → false
await page.evaluate(() => matchMedia('print').matches);
// → true
await page.emulateMediaType(null);
await page.evaluate(() => matchMedia('screen').matches);
// → true
await page.evaluate(() => matchMedia('print').matches);
// → false