HTML, CSS, JavaScript

CSS - cascade style sheets, is not a programing language it is just styling addition to HTML (Hypertext Markup Language). CSS have a simple structure consisting from tag, class or id and its property. It is applicable in very HTML code between tags <style>....</style> or in separated CSS file which must be in the same folder as index.html. Above we have a olive box on the center of the screen with blue text inside and it is written with application of class of an HTML object. Below is the same code but with application of id of an HTML object. We can also use variables, which can be used anywhere in the document.

JavaScript is a programming language that have application in web developing and is responsible for logical functioning of the websites. It allows for manipulation of parts of the website in logical way. JavaScript is scripting language working on the side of web browsers, and differently to backhand programing languages it is describing working of the websites within user interface without entering in server side. JavaScript is nowadays one of the most often used programing language easy for application in HTML documents and is cooperating with CSS style sheets. In JavaScript we can manipulate HTML documents using classes and id's. We have here many methods of control the HTML documents, using events of mouse, keyboard, loading, resizing and many other. Despite the fact that dynamically developing web designing already have newer methods of programing for web, JavaScript is still popular among web developers. JavaScript can create content on HTML document only dynamically. It is n...