Do you want to learn how javascript and the major markup languages work? If yes, then keep reading…Hypertext Markup Language (HTML) is part of the three major elements of modern web pages. The other two are Cascading Style Sheets (CSS) and javascript. HTML defines the structure of web pages. HTML contains a lot of features and instructs the browser on how to display content. CSS is responsible for styling while javascript is a prototype-based language with top-notch functions utilized by web page authors to control element actions.