example of using puppeteer frames

puppeteer_frame_example1.txt

const puppeteer = require('puppeteer');

(async () => {
  const browser = await puppeteer.launch({headless: false});
  const page = await browser.newPage();
  await page.setContent('<iframe></iframe>');

  // the page.frames()[0] is always a main frame.
  const iframe = page.frames()[1];
  // fetch the body element of the iframe
  const body = await iframe.$('body');
  // ...
  // do something with `body`..
  // ...
  browser.close();
})();