HTML 5 and HTML difference?
What is the difference between HTML 5 and HTML?
HTML5 is contemporal version of HTML. It provides new features such as audio, video elements; vector, 2d and 3d graphic (svg, canvas elements). HTML5 documents starts with line <!DOCTYPE html>. It's recommended to use this doctype, even if you don't use any new feature.
HTML is hyper text markup language. HTML does not support the video and audio then HTML 5