analytics.js
function object(obj, fn) {
  for (var key in obj) {
    if (has.call(obj, key)) {
      fn(key, obj[key]);
    }
  }
}
function object(obj, fn) {
  for (var key in obj) {
    if (has.call(obj, key)) {
      fn(key, obj[key]);
    }
  }
}
function object ( obj , fn ) { for ( var key in obj ) { if ( has . call ( obj , key ) ) { fn ( key , obj [ key ] ) ; } } }
Iterate object keys.

@param {Object} obj
@param {Function} fn
@api private
Iterate object keys .