4 ms·Markup and JavaScript are orthogonal concepts.by kaoD 13y agoMarkup and JavaScript are orthogonal concepts.jacquesm 13y agoLots of concepts that are now part of HTML5 could only be done with Javascript in earlier incarnations.kaoD 13y agoAlthough you're right, they're still orthogonal concepts. Powerful markup does not replace JavaScript for all use cases.