isVisible([options])

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');
    const text = page.locator('#text1');
    if (text.isVisible()) {
            console.log("element is visible");
    }
}