ECMA-262, 5th Edition
From the developerWorks archives
Date archived: January 4, 2017 | First published: April 12, 2011
Take a look at the history of the ECMAScript specification while also learning about many of its important new features and concepts.
This content is no longer being updated or maintained. The full article is provided "as is" in a PDF file. Given the rapid evolution of technology, some steps and illustrations may have changed.