Object iteration

objIter.js

// Implementation
var iter = function(obj, callback) {
  Object.keys(obj).forEach(function(key) {
    callback(key, obj[key]);
  });
};

// Usage
iter(obj, function(name, val) {
  // Do shit here
});

// Even better
obj.iter(function(name, val) {
  // Do shit here
});