A high-level API to control headless Chrome over the DevTools Protocol

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22.10.05 days ago11 years agoMinified + gzip package size for puppeteer in KB


build npm puppeteer package

Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol. Puppeteer runs in headless mode by default, but can be configured to run in full ("headful") Chrome/Chromium.

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import puppeteer from 'puppeteer';

(async () => {
  // Launch the browser and open a new blank page
  const browser = await puppeteer.launch();
  const page = await browser.newPage();

  // Navigate the page to a URL
  await page.goto('https://developer.chrome.com/');

  // Set screen size
  await page.setViewport({width: 1080, height: 1024});

  // Type into search box
  await page.type('.devsite-search-field', 'automate beyond recorder');

  // Wait and click on first result
  const searchResultSelector = '.devsite-result-item-link';
  await page.waitForSelector(searchResultSelector);
  await page.click(searchResultSelector);

  // Locate the full title with a unique string
  const textSelector = await page.waitForSelector(
    'text/Customize and automate'
  const fullTitle = await textSelector?.evaluate(el => el.textContent);

  // Print the full title
  console.log('The title of this blog post is "%s".', fullTitle);

  await browser.close();