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⚠️ This is the archived documentation for k6 v0.45. Go to the latest version.

emulateMedia([options])

This method changes the CSS @media type through the media argument, and/or the 'prefers-colors-scheme' media feature, using the colorScheme argument.

ParameterTypeDefaultDescription
options
objectnull

Example

import { chromium } from 'k6/experimental/browser';
export default async function () {
const browser = chromium.launch();
const page = browser.newPage();
await page.goto('https://test.k6.io/browser.php');
console.log(page.evaluate(() => matchMedia('screen').matches)); // true
}