Bypass Document Focus requirement in Chrome / Puppeteer

As of my last update in September 2021, Puppeteer follows the behavior of headless Chrome, and it strictly enforces the document focus requirement. Puppeteer does not provide any direct option to bypass this requirement as it is a security measure implemented by the Chrome browser to prevent automated interactions without an active user presence.

The document focus requirement ensures that any JavaScript actions on a webpage are initiated by user interaction (such as mouse click or keyboard input). This helps prevent malicious activities and ensures that websites are used in a way consistent with their intended user experience.

If you need to interact with a website using Puppeteer, you would typically need to do so within a browser context that has an active user presence. This can be achieved in the following ways:

1. Use headful mode: Instead of using headless mode in Puppeteer, you can run Chrome in "headful" mode, which means the browser window is visible and can receive user interactions.

   javascriptCopy code
   const puppeteer = require('puppeteer');
   
   (async () => {
     const browser = await puppeteer.launch({ headless: false });
     const page = await browser.newPage();
     // Your Puppeteer code here
     await browser.close();
   })();
   

2. Manually interact with the page: If your use case involves interaction with specific elements on a page, you can perform some manual interactions (e.g., click on a button) to trigger the desired behavior and then proceed with your Puppeteer automation.

Please note that bypassing the document focus requirement is not recommended, as it can potentially violate the terms of service of the website you are interacting with and may lead to unethical or illegal practices. It is important to respect website terms of use and ensure your web scraping or automation practices comply with legal and ethical standards. Always obtain permission from website owners before scraping their content, and be mindful of not overloading their servers with excessive requests.