I created RubyJS, a port of all Ruby methods to JavaScript, that gave me a fairly well understanding of both languages. Speaker at various Ruby/JS conferences around the world. 6 years Ruby, Ruby on Rails (before Java, PHP). Fluent in the whole stack.
Ruby, Rails, RubyMotion and JavaScript
I created RubyJS, a port of all Ruby methods to JavaScript, that gave me a fairly well understanding of both languages. Speaker at various Ruby/JS conferences around the world. 6 years Ruby, Ruby on Rails (before Java, PHP). Fluent in the whole stack.
More info and email here: http://hasclass.com