React is a popular JavaScript view library frequently used in conjunction with other technologies to create single-page JavaScript applications. Started in 2013 by Facebook, React has quickly outpaced other similar projects in popularity due to its declarative approach to state, colocation of templates with view logic, and relative lack of opinionatedness about the stack, which means it is most dissimilar to Angular (see Chapter 19) and Ember (see Chapter 21). In the last several years, an extensive ecosystem has developed surrounding the core React library.
React calls itself a “JavaScript library for building ...
