Responsible for defining the content of the page: html
css: responsible for defining page styles
javascript: responsible for controlling the behavior of the page
Three of which are above the front end of the basic course of study
jquery: javascript framework, javascript libraries, greatly simplifying the javascript.
bootstrap: a front-end framework for rapid development of Web applications and Web sites.
AngularJS: it is a JavaScript framework.
JSON: grammar storing and exchanging text messages.
Ajax: it can be used to quickly create dynamic Web pages. AJAX is a without having to reload the entire web page technical section of the page can be updated.
Angular 2: is an open source JavaScript framework
React: JAVASCRIPT is a library for building user interfaces. React mainly used to build the UI.
LESS: is a CSS pre-processor can be enabled for the site can be customized, manageable and reusable style sheet. It is a dynamic stylesheet language, extends the functionality of CSS
Vue.js: the library is used to build interactive Web interface.
Node.js: JavaScript is running on the server side.