In October 2014, React 0.12.00 replaced this with the 3-clause BSD license and added a separate PATENTS text file that permits usage of any Facebook patents related to the software:[48]. [56], On September 26, 2017, React 16.0.0 was released with the MIT license. It shows both the code and the result. An example of a component could be a form or even just a form field or button on a website. Subscribe to America's largest dictionary and get thousands more definitions and advanced searchad free! React is a JavaScript library for building user interfaces. Here are three places you'll find it being used: Web development This is where React got its start and where you'll find it used most often. The ReAct Toolbox. Discontinuing Bower Releases, Fix an accidental extra global variable in the UMD builds, Fix onMouseEnter and onMouseLeave firing, Fix