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docs(api.md): improve emulateMediaFeatures section (#5807)

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Vasilii Artemchuk 2020-05-05 08:43:14 +03:00 committed by GitHub
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1 changed files with 18 additions and 18 deletions
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docs/api.md
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@ -1337,32 +1337,32 @@ List of all available devices is available in the source code: [src/DeviceDescri
```js
await page.emulateMediaFeatures([{ name: 'prefers-color-scheme', value: 'dark' }]);
await page.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches));
await page.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches);
// → true
await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches));
await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches);
// → false
await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches));
await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches);
// → false
await page.emulateMediaFeatures([{ name: 'prefers-reduced-motion', value: 'reduce' }]);
await page.evaluate(() => matchMedia('(prefers-reduced-motion: reduce)').matches));
await page.evaluate(() => matchMedia('(prefers-reduced-motion: reduce)').matches);
// → true
await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches));
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));
await page.evaluate(() => matchMedia('(prefers-color-scheme: dark)').matches);
// → true
await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches));
await page.evaluate(() => matchMedia('(prefers-color-scheme: light)').matches);
// → false
await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches));
await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches);
// → false
await page.evaluate(() => matchMedia('(prefers-reduced-motion: reduce)').matches));
await page.evaluate(() => matchMedia('(prefers-reduced-motion: reduce)').matches);
// → true
await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').matches));
await page.evaluate(() => matchMedia('(prefers-reduced-motion: no-preference)').matches);
// → false
```
@ -1371,22 +1371,22 @@ await page.evaluate(() => matchMedia('(prefers-color-scheme: no-preference)').ma
- returns: <[Promise]>
```js
await page.evaluate(() => matchMedia('screen').matches));
// → true
await page.evaluate(() => matchMedia('print').matches));
await page.evaluate(() => matchMedia('screen').matches);
// → true
await page.evaluate(() => matchMedia('print').matches);
// → false
await page.emulateMediaType('print');
await page.evaluate(() => matchMedia('screen').matches));
await page.evaluate(() => matchMedia('screen').matches);
// → false
await page.evaluate(() => matchMedia('print').matches));
await page.evaluate(() => matchMedia('print').matches);
// → true
await page.emulateMediaType(null);
await page.evaluate(() => matchMedia('screen').matches));
// → true
await page.evaluate(() => matchMedia('print').matches));
await page.evaluate(() => matchMedia('screen').matches);
// → true
await page.evaluate(() => matchMedia('print').matches);
// → false
```
#### page.emulateTimezone(timezoneId)