voodootikigod (owner)

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gist: 176711 Download_button fork
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Object.prototype.filter = function(f) {
  var ret = {};
  for (i in this) {
    if (f(this[i])) { ret[i] = this[i]; }
  }
  return ret;
};
 
var even = function(z) { return (z%2 == 0); }
var odd = function(z) { return (z%2 == 1); }