مرکز آموزش

W3c HTML 5.2

This specification defines the 5th major version, second minor revision of the core HTML language.

https://www.w3.org/TR/2017/REC-html52-20171214/

This page contains a list of all completed specifications and drafts by the CSS WG (formerly ‘CSS...

This Standard defines the ECMAScript 2018 general-purpose programming...