add tip trace the reason make your page re-render

[tranvanhuyhoang]

Check the reason make your page re-render by changed props and state

The approach of the post is we will console.log at componentDidUpdate. Find out the reason make our component re-render (specifically is look for those states and props changed). Avoid your page re-render unnecessary is a thing very important in optimizing your app performance.

tranvanhuyhoang

[zenopopovici]

Sorry for the delay, please add tip to Readme pls.

[tranvanhuyhoang]

Sorry for the delay, please add tip to Readme pls. I finished, Let check help me, please!