unitone said:

Harmony in the JavaScript world. ECMAScript Harmony bridges the gap between ES3.1 and ES4. Ecma's Technical Committee 39, the JavaScript standards body, was divided between ES3.1 and ES4. The split committee decided, at the Ecma TC39 meeting in Oslo, to drop ES4 and unify their efforts in a new project called Harmony. http://LookAlso.com/1d http://LookAlso.com/1e