Selenium is a program mechanization instrument, normally utilized for composing end-to-end trial of web applications. A program mechanization apparatus does precisely what you would expect: robotize the control of a program so dreary errands can be computerized. It sounds like a straightforward issue to comprehend, however as we will see, a great deal needs to occur off camera to influence it to work. Before portraying the engineering of Selenium it sees how the different related bits of the venture fit together. At an abnormal state, Selenium is a suite of three apparatuses. The first of these apparatuses, Selenium IDE, is an expansion for Firefox that enables clients to record and playback tests. The last device, Selenium Grid, makes it conceivable to utilize the Selenium APIs to control program examples circulated over a framework of machines, enabling more tests to keep running in parallel. selenium training in Bangalore - Inside the undertaking, they are alluded to as "IDE", "WebDriver" and "Lattice". This part investigates the engineering of Selenium WebDriver.