What is the difference between js and angular js ??

Answer 1

js is just JavaScript shortform

angularjs is a front end library to design single page web applications , it's not a language but is itself written in JavaScript

Answer 2

JavaScript is an implementation of the EcmaScript standard :)
AngularJS is a framework based on JavaScript

Answer 3

As Morpheus says its a Javascript Framework to help you write cross platform web applications. Angular has been overtaken by React and React Native in the last 18 months primarily as React offers developers real time update to their code while developing and allow rendering to be done on the sever.

https://medium.com/javascript-scene/top-javascript-libraries-tech-to-learn-in-2018-c38028e028e6

React is maintained by Facebook. Angular is maintained by Google.
Googles response to React is to migrate developers to Dart and Flutter for Native Mobile development, and Dart , Polymer,and Web components for Web.

Dart can cross compile to JavaScript.