Here’s an article which tries sharing a brief about Angular Js – ‘What is Angular?‘
This article primarily tries to help those who want to capture a glimpse of entire picture before going for a deep dive in Angular Js.
Starting with sharing the history of why a need was felt to have something like Angular, this article goes upto talking about what’s new in Angular 2 and which version would suit your purpose more, though not in great detail which is what many people might be looking for before getting serious about using Angular.
This article is written by a front end developer from KendoUI, which is a framework based upon Angular, and thus good insights can perhaps be expected due to the experience involved.
So, go ahead and give it a read to get a good head-start if you are planning to begin with AngularJs.