const { webkit } = require('playwright');

(async () => {
  const browser = await webkit.launch({
    headless: false
  });
  const context = await browser.newContext();

  // Open new page
  const page = await context.newPage();

  // Go to https://thomas-guettler.de/htmx-swap-err-webkit/page.html
  await page.goto('https://thomas-guettler.de/htmx-swap-err-webkit/page.html');

  // Click textarea[name="comment"]
  await page.click('textarea[name="comment"]');

  // Fill textarea[name="comment"]
  await page.fill('textarea[name="comment"]', 'foobar');

  // Click text=Save
  await page.click('text=Save');

  // ---------------------
  await context.close();
  await browser.close();
})();