What are the uses of Node js and Angular Js? code example

Example 1: what is the use of angularjs

AngularJS is a structural framework for dynamic web applications. 
It lets you use HTML as your template language and lets you extend HTML's 
syntax to express your application components clearly and succinctly. 
Its data binding and dependency injection eliminate much of the code you
currently have to write.

Software genre: Web framework
Languages used: JavaScript

Example 2: what is angularjs used for

AngularJS is a structural framework for dynamic web applications. It lets you use HTML as your template language and lets you extend HTML's syntax to express your application components clearly and succinctly. Its data binding and dependency injection eliminate much of the code you currently have to write.
Software genre: Web framework
Languages used: JavaScript