Selenium

Run Selenium Scripts on Existing Browser Session – Complete Guide

Run Selenium Scripts on Existing Browser Session

By Bhau Automation • Advanced Selenium Guide

🎯 What You Will Learn

  • How to run Selenium scripts on already opened browser
  • Connect WebDriver to existing browser session
  • Debug automation scripts easily
  • Improve automation efficiency

📌 What is Existing Browser Session?

An existing browser session means connecting Selenium WebDriver to a browser that is already opened manually instead of launching a new one.

🚀 Why Use This Approach?

  • ✔ Save execution time
  • ✔ Debug scripts faster
  • ✔ Reuse logged-in session
  • ✔ Avoid repetitive steps

💻 Java Example

ChromeOptions options = new ChromeOptions();
options.setExperimentalOption("debuggerAddress", "localhost:9222");

WebDriver driver = new ChromeDriver(options);

⚙️ Steps to Connect

  1. Open Chrome with debugging mode
  2. Run command: chrome.exe --remote-debugging-port=9222
  3. Connect Selenium using debuggerAddress

❓ Interview Questions

Q: Can Selenium connect to existing browser?

A: Yes, using remote debugging port.

Q: Why use existing session?

A: To save time and debug easily.

🎯 Who Should Learn?

  • Automation testers
  • QA engineers
  • Selenium developers

🎥 Watch Full Tutorial

👉 Watch on YouTube

🎓 Key Takeaways

  • Advanced Selenium technique
  • Boost productivity
  • Useful for debugging

🚀 Created with ❤️ by Bhau Automation

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