Introduction to Website Design and Development_ HTML5, CSS3, and JavaScript

Webpagecompositionhasbeenanevolvingthing.Overtime,bestprac-ticeshavebeenrecognized.Oneoftheseistoseparatethethreemaincomponents:content(HTML),presentationandstyling(CSS),andaction(JavaScript).Butintheearlydaysoftheweb,thesewereoftenco-mingled.