Pro React 16

Chapter 18 CREATING COMPLETE APPLICATIONS Updating an object with setState in React. link Array.prototype.concat() Syntaxlink concat() concat(value0) concat(value0, value1) concat(value0, value1, ... , valueN) Chapter 19 USING A REDUX DATA STORE Name Description action An action describes an operation that will change the data in the store. Redux doesn’t allow data to be modified directly and requires actions to specify changes.