Page | /tests/deps.ts | fresh@1.7.1

x/fresh/tests/deps.ts>Page#emulateMediaType

The next-gen web framework.

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clickWhenListenerReady

startFreshServerExpectErrors

method Page.prototype.emulateMediaType

Re-export

import { Page } from "https://deno.land/x/fresh@1.7.1/tests/deps.ts";

emulateMediaType(type?: string): Promise<void>

Examples

Example 1

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

Parameters

optional

type: string

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>