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DocumentationGrafana k6JavaScript APIk6/experimentalbrowserPageemulateVisionDeficiency(type)
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emulateVisionDeficiency(type)

This emulates your website with the specified vision deficiency type.

The supported types are:

  • none: default.
  • blurredVision: where vision is less precise.
  • protanopia: the inability to perceive any red light.
  • deuteranopia: the inability to perceive any green light.
  • tritanopia: the inability to perceive any blue light.
  • achromatopsia: the inability to perceive any color except for shades of grey (extremely rare).

Example

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

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

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

  await page.goto('https://test.k6.io/browser.php');
  page.emulateVisionDeficiency('blurredVision');
}