I would like to know in a simplified way, what are the differences between Angular 2 and Angular 4? And if possible, indications on study materials of the two.
I would like to know in a simplified way, what are the differences between Angular 2 and Angular 4? And if possible, indications on study materials of the two.
There are no great differences in just corrections and improvements, in fact, Angular 4 is Angular 2.
The first version of the framework was AngularJS written in Javascript. then appeared Angular without JS, is the new version of the framework, written in Typescript. Here the version assignment form has been changed to (2.x, 3.x, 4.x, below). It does not mean that there is a lack of compatibility with the previous version.
More information about here of Angular CHANGELOG.
If you want to deepen and study without a doubt google is an excellent search engine and will be able to find lots of information on where to start, however I leave here a example , which will help you a little bit.