A feature history of the modern Web PlatormA feature history of the modern Web Platform When and where selected new Web-platform features were first specified, post-HTML4 and post-CSS2.1. 2003-09-05 XHTML Module: Extensions to Form Controls The post-HTML4/CSS2.1 Web Platform spec history begins with these additions to the HTML language: datetime, date, expdate, time, number, integer, and email values for the type attribute of the input ele
