34ff00e2fe
* fix: added parts of website * fix: removed unnecessary lines * fix: updated contributing.md * fix: added parts of sidebar * fix: added all APIs * fix: added version 10.0.0 Co-authored-by: Jack Franklin <jacktfranklin@chromium.org>
2.1 KiB
2.1 KiB
Home > puppeteer > Page > emulateMediaFeatures
Page.emulateMediaFeatures() method
Signature:
emulateMediaFeatures(features?: MediaFeature[]): Promise<void>;
Parameters
| Parameter | Type | Description |
|---|---|---|
| features | MediaFeature[] | <?Array<Object>> Given an array of media feature objects, emulates CSS media features on the page. Each media feature object must have the following properties: |
Returns:
Promise<void>
Example
await page.emulateMediaFeatures([
{ name: 'prefers-color-scheme', value: 'dark' },
]);
await page.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches);
// → true
await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches);
// → false
await page.emulateMediaFeatures([
{ name: 'prefers-reduced-motion', value: 'reduce' },
]);
await page.evaluate(
() => matchMedia('(prefers-reduced-motion: reduce)').matches
);
// → true
await page.evaluate(
() => matchMedia('(prefers-reduced-motion: no-preference)').matches
);
// → false
await page.emulateMediaFeatures([
{ name: 'prefers-color-scheme', value: 'dark' },
{ name: 'prefers-reduced-motion', value: 'reduce' },
]);
await page.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches);
// → true
await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches);
// → false
await page.evaluate(
() => matchMedia('(prefers-reduced-motion: reduce)').matches
);
// → true
await page.evaluate(
() => matchMedia('(prefers-reduced-motion: no-preference)').matches
);
// → false
await page.emulateMediaFeatures([{ name: 'color-gamut', value: 'p3' }]);
await page.evaluate(() => matchMedia('(color-gamut: srgb)').matches);
// → true
await page.evaluate(() => matchMedia('(color-gamut: p3)').matches);
// → true
await page.evaluate(() => matchMedia('(color-gamut: rec2020)').matches);
// → false