Selenium has four major components which are Selenium IDE, Selenium GRID, Selenium RC & Selenium Web Driver. Therefore, it plays a very crucial role. Now, the question arises what is the role of the selenium web driver and how does it play such an important role. But before moving to this, it's very important to understand the term web driver. So, a web driver is nothing but a compact object-oriented API. It helps the efficient working of the browser. Selenium web driver is a collection of APIs which is used to test web applications. Therefore, this section is very important from a selenium perspective. Let's check it out.
