puppeteer-firefox

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const puppeteerChrome = require("puppeteer");

const puppeteerFF = require("puppeteer-firefox");

(async function() {

  var test = async function test(browser) {

    //Page

    var page = await browser.newPage();

    //Set view port of the page

    await page.setViewport({

      width: 1440,

      height: 10000

    });

    await page.goto("http://executeautomation.com/demosite/Login.html");

    await page.type("[name=UserName]", "executeautomation");

    await page.type("[name=Password]", "admin");

    await page.keyboard.press("Enter");

    await browser.close();

  };

  var firefox = await puppeteerFF.launch({

    headless: false,

    slowMo: 50

  });

  await test(firefox);

  var chrome = await puppeteerChrome.launch({

    headless: false,

    slowMo: 50

  });

  await test(chrome);

})();