What is the primary difference between the close() and quit() commands in Selenium?

• A. close() closes all browser instances
• B. quit() is used to close the current browser only
• C. close() is used to close the current browser
• D. quit() keeps the browser open but stops the session

Answer: (C)

The primary difference between the close() and quit() commands in Selenium lies in their scope of operation regarding browser windows and session management. The close() command is specifically designed to close the current browser window that the WebDriver has focused on. If multiple windows or tabs are open, close() will only shut the one currently in focus, leaving any other open windows intact.

In contrast, the quit() command is comprehensive; it not only closes all browser windows initiated by the WebDriver but also ends the entire WebDriver session. This command ensures that all associated resources are released and the browser is completely shut down, including any background processes.

Understanding this distinction is crucial for effective browser management during test automation. Using close() allows for scenarios where you might want to switch control to another window or tab without terminating the entire session. On the other hand, using quit() is ideal when the testing sequence is at an end, and you wish to clean up effectively by closing everything related to the test run.