Dart is a programming language designed for client development, such as for the web and mobile apps. Dart is an object-oriented, class-based, garbage-collected language with C-style syntax. It is developed by Google and can also be used to build server and desktop applications.
Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.
jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML. It is free, open-source software using the permissive MIT License. Web analysis indicates that it is the most widely deployed JavaScript library by a large margin.