Lively Kernel - New Home

A dynamic programming environment based on JavaScript,
done by one of creators of Smalltalk and Squeak

http://www.infoq.com/interviews/ingalls-smalltalk

One more indication that JavaScript is becoming
the major language of this decade (2010's)
the way Java and its derivatives dominated previous (2000's)
and C++ the one before (1990's)
and C even one before (1980's)
...