navigate-to-page-with-login.js

const puppeteer = require('puppeteer');

(async () => {
  const browser = await puppeteer.launch();
  const page = await browser.newPage();

  await page.goto('https://example.com');

  // Authentication Steps
  await page.type('#username', 'username');
  await page.type('#password', 'password');
  await page.$eval('#login', form => form.submit());
  await page.waitForNavigation();

  // Navigate to a page that requires authentication
  await page.goto('https://example.com/home');

  browser.close();
})();