How Does Selenium WebDriver Work?

Selenium WebDriver is a powerful automation tool used for testing web applications. It operates by directly communicating with a browser using the browser's native support for automation. The main advantage of Selenium WebDriver is its ability to simulate user interactions with a web page, such as clicking buttons, filling out forms, and navigating between different pages.

The way Selenium WebDriver works can be summarized in a few steps:

1. Locating Web Elements: Selenium WebDriver uses locators, such as CSS selectors or XPath expressions, to find and interact with web elements on a web page.
2. Interacting with Web Elements: Once a web element is located, Selenium WebDriver can perform various actions on it, such as clicking, typing text, or extracting information.
3. Executing Commands: Selenium WebDriver sends commands to the browser using the WebDriver API to perform the desired actions on web elements.
4. Handling Responses: After executing a command, Selenium WebDriver waits for the browser to respond and processes the result accordingly.

Overall, Selenium WebDriver works by orchestrating interactions between a test script written in a supported programming language (such as Java or Python) and the browser to automate testing procedures effectively.