CSS3 grid 布局参考链接:
React liftcycle
CSS Grid 布局完全指南
A Complete Guide to Grid



Render phase

Pure and has no side effects,May be paused, aborted or restarted by React.

Commit phase

Can work with DOM,run side effects, schedule updates

Mounting

Updating

Unmounting

component­Did­Mount
component­Did­Update
component­Will­Unmount
constructor
render
React updates DOM and refs
New Props
setSate()
forceUpdate()