In a model–view–controller architecture, it serves primarily as the view, while also addressing some concerns conventionally handled by the controller by allowing users to receive live data updates and interact with the data through component specific methods.
The project focuses on making ideas in web UI development (components, declarative UI, hot-reloading, time-travel debugging, etc.) more approachable. It attempts to be less opinionated and thus easier for developers to pick up.
Less opinionated allows for progressive adoptable: Vue.js core is a drop-in library that can be used in existing pages. It can be used in existing projects to add simple interactivity or to replace jQuery and other templating languages and frameworks entirely. Sister libraries can allow Vue to be the base of the entire front end architecture.
Frontend Frameworks are extremely popular because they give us this reactive, great User Experience we know from Mobile Apps – but now in the Browser! No wonder that Jobs requiring Frontend Framework Skills like VueJS are amongst the best paid ones in the Industry!
You may know Angular 2 and ReactJS, well, Vue.js combines the Best of both Frameworks and makes building anything from small Widgets to big, Enterprise-Level Apps.