firstObj.js

/**
 * Try properties against object and use first available value.
 *
 * @param {array} properties
 * @param {object} obj
 *
 * @return {string|boolean}
 */
_.firstObj = function (properties, obj) {
  var prop = _.first(_.intersection(properties, _.keys(obj)));
  return (prop in obj) ? obj[prop] : false;
};


/**
 * Example...
 */
console.log(_.firstObj(['name', 'username'], {id: 555, name: 'Bob Smith', username: 'bob123'});
//=> Hello Bob!