1Cross Browser Testing: When we do crossbrowser testing we
2execute multiple test scripts on different browsers one by
3one. When one test executed/completed another browser
4would be invoked on the current browser.

1vCross Browser Testing: When we do crossbrowser testing we
2execute multiple test scripts on different browsers one by
3one. When one test executed/completed another browser
4would be invoked on the current browser.

1browser code is changing constantly 
2to test your products health on  the 
3				latest browsers, OSs, 
4a cross browser testing platform using
5mobile emulators & simulators, and real devices is helpful
6...unless you have a dedicated QA team of 20 - 30 people.
7