React

component

It's just carrying informationCopy the code

What is componentDumy

PureCompomentProtoype. Coustructor = PureComponent point to their own implementation inheritance isPureReactComponentCopy the code

Ref

StringRef function Component No instance of forWardRef :typeCopy the code

The react core

Update to end processCopy the code

Component state

Readonly State is just readable stateless components: Display components Show that state inside a component can be written as pure functions

context

The createContext does not allow components to reuse the Parent. ChildContextTypes Provider and consumerCopy the code