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I am struggling with a Javascript question for some time now and I was not able to find an explanation on the web. I guess it is because I do not enter the right keywords which might also be related to why I am struggling with this at all. My basic assumption is that it is possible to alter objects: > var x = {'n': 2}; > x['n'] 2 > x['n'] = 3; 3 pheww that worked. But still (functions are objects, too): > var addn = function(a) { var n = 2; return n + a; } > addn(3); 5 > addn['n'] = 3; 3 > addn(3); 5 This time I was not able to change 'n'. Is there a way to fix this while keeping the functional flavor? As opposed to going fully OO. A related question I have would be how to maintain dependencies of functions for the purpose of for example testing - again w/o going OO? Of cause I am looking for a solution but if possible I would also like to understand which mechanism in Javascript makes me struggling. Cheers, Mark Disclaimer: By mentioning OO I do not intent to say anything against OO. And I do not intent to say anything against VI or Emacs either. If I somehow hurt your feelings please skip this one.

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