What is AngularJS?
To use AngularJS, you have to include it in your page before the closing <body> tag. Google's CDN is recommended for a faster load time:
AngularJS gives you a large number of directives that let you associate HTML elements to models. They are attributes that start with ng- and can be added to any element. The most important attribute that you have to include in any page, if you wish to use Angular, is
It should be added to an element that encloses the rest of the page, like the body element or an outermost div. Angular looks for it when the page loads and automatically evaluates all directives it sees on its child elements.