if(!(this instanceof MyClass)){ return new MyClass(a,b,c) }
"Personally, I’m going to miss arguments.callee, I used it in a number of places in my code." -- John Resig (May 22, 2009 at 7:26 am) [1]
[1]: http://ejohn.org/blog/ecmascript-5-strict-mode-json-and-more...