UI

Optimistic UI

Why? You have 100ms to respond to user input before they notice a lag. RAIL

How:

• https://www.smashingmagazine.com/2016/11/true-lies-of-optimistic-user-interfaces/

• UX: https://uxplanet.org/optimistic-1000-34d9eefe4c05

• Meteor: http://dev.apollodata.com/react/optimistic-ui.html

Observer model in Angular

• custom subscribe method in service

• RxJS

• event emitter: http://stackoverflow.com/questions/36076700/what-is-the-proper-use-of-an-eventemitter

• store: base-store.ts

• angular event: http://stackoverflow.com/questions/34700438/global-events-in-angular-2