GobearJS

install_node.sh

brew install nodejs
npm install -g yarn
yarn add puppeteer

# save this content to file gobear.js
const puppeteer = require('puppeteer');

(async () => {
  const browser = await puppeteer.launch();
  const page = await browser.newPage();
  await page.goto('https://gobear.com');
  await page.screenshot({path: 'gobear.png'});

  await page.click('#button-vn')
  await browser.close();
})();

### run this
nodejs gobear.js