版本：1.1.2
- https://cdn.bootcdn.net/ajax/libs/rax/1.1.2/rax.js
- https://cdn.bootcdn.net/ajax/libs/rax/1.1.2/rax.min.js
- https://cdn.bootcdn.net/ajax/libs/rax/1.1.2/rax.umd.js
- https://cdn.bootcdn.net/ajax/libs/rax/1.1.2/rax.umd.min.js
A universal React-compatible render engine.