ECMAScript 6 brings long-anticipated conveniences while remaining backward-compatible with existing code, but like any other new technology, EMCAScript 6 hasn't been without it's fair share of controversy.
Kit Cambridge, programmer at Black Pearl Systems, visits SFHTML5 and provides a thorough overview of ECMAScript 6. He talks about the path it took to become the language it is today and some of the interesting challenges it's faced. He then dives headfirst into some of his favorite parts of the language.