Basically, boolean shouldComponentUpdate(object nextProps, object nextState) Here is a good talk from ReactConf which goes over improving performance, largely

Basically, boolean shouldComponentUpdate(object nextProps, object nextState) Here is a good talk from ReactConf which goes over improving performance, largely including this method, here: http://youtu.be/KYzlpRvWZ6c http://youtu.be/KYzlpRvWZ6c