Selenium RC − RC is a Remote Control which works by taking the remote of the browser and then injects the automation code to be tested by injecting the custom scripts written. Selenium RC interacts with browsers using Selenium RC Server. It injects JavaScript function into browsers when the web page is loaded.

How does selenium actually work?

Selenium is an open-source tool that automates web browsers. It provides a single interface that lets you write test scripts in programming languages like Ruby, Java, NodeJS, PHP, Perl, Python, and C#, among others.

What is selenium best used for?

Selenium is the most popularly used freeware and open source automation tool. The benefits of Selenium for Test Automation are immense. Importantly, it enables record and playback for testing web applications and can run multiple scripts across various browsers.