As the name suggests it’s a javascript library created by Facebook and it is the most popular javascript library and used for building User Interfaces
An elliptical trainer is a part of stationary exercise equipment used to stimulate walking or running. Its user stands on the pedals of a machine and they move in independent orbits. Elliptical trainers are a combination of rowing, cross country skiing, and bicycling. A good quality elliptical trainer is very solid, quiet, and usually comes with a ...