What are the differences between Angular2+ and Angular 1.x?
Angular 1.X is nothing but AngularJS. AngularJS is dead now. Angular 2+ is complete rewrite from the same team built AngualrJS.
AngularJS is a Javascript framework written on Javascript. It can be added to a web page with script tag.
Angualr 2+ is Typescript based free and open source web application framework.