http://facebook.github.io/react/docs/getting-started.html
是一套facebook所創造的 JS library
想要解決的問題！
solve one problem: building large applications with data that changes over time. To do this, React uses two main ideas.
Hello React 範例！！
ps:在<script type="text/jsx">的程式碼內第一行要/** @jsx React.DOM */ 才不會錯誤！！
<!DOCTYPE html><html> <head> <title>Hello React</title> <script src="react.js"></script> <script src="JSXTransformer.js"></script> </head> ...
