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This is documentation for the next version of K6. For the latest stable release, go to the latest version.

Open source

viewportSize()

Returns the page’s size (width and height).

Returns

TypeDescription
ObjectAn object containing the page’s width and height.

Example

JavaScript
import { browser } from 'k6/browser';

export const options = {
  scenarios: {
    browser: {
      executor: 'shared-iterations',
      options: {
        browser: {
          type: 'chromium',
        },
      },
    },
  },
};

export default async function () {
  const page = await browser.newPage();

  await page.setViewportSize({
    width: 640,
    height: 480,
  });
  await page.goto('https://test.k6.io/browser.php');

  console.log(page.viewportSize());
}