Angular at the Root

By default AngularJS use jQLite which is the subset of jQuery. If you want to use jQuery then simply load the jQuery library before loading the AngularJS. By doing so, Angular will skip jQLite and will start to use jQuery library.

jQLite is a subset of jQuery that is built directly into AngularJS. jQLite provides you all the useful features of jQuery. In fact it provides you limited features or functions of jQuery.

jQuery lite or the full jQuery library if available, can be accessed via the AngularJS code by using the element() function in AngularJS. Basically, angular.element() is an alias for the jQuery function.

AngularJS is a first class JavaScript framework which allows you to build well structured, easily testable, and maintainable front-end applications. It is not a library since library provides you limited functionality or has dependencies to other libraries.
It is not a plugin or browser extension since it is based on JavaScript and compatible with both desktop and mobile browsers.

The features of AngularJS are listed below:

• Modules
• Directives
• Templates
• Scope
• Expressions
• Data Binding
• MVC (Model, View & Controller)
• Validations
• Filters
• Services
• Routing
• Dependency Injection
• Testing

AngularJS provide following built-in protection from basic security holes:

• Prevent HTML injection attacks.
• Prevent Cross-Site-Scripting (CSS) attacks.
• Provide XSRF protection for server side communication.

Also, AngularJS is designed to be compatible with other security measures like Content Security Policy (CSP), HTTPS (SSL/TLS) and server-side authentication and authorization that greatly reduce the possible attacks.