runme.js

var Table = require("./table");
var async = require('asyncawait/async');
var await = require('asyncawait/await');

async(function () {

	var table = Table({});
	var index = 123;
	var row = await(table.row(index));

	// do something with row ...
	
	console.log(row);

})();

console.log();

table.js

'use strict';
var Q = require("q");
var Row = require("./row");
 
var Table = function (tableElement) {
	var headElement = tableElement.element(by.css('thead'));
	var bodyElement = tableElement.element(by.css('tbody'));
 
	this.row = function (index) {
		var def = Q.defer();
		
		var result = headElement
			.all(by.css('th'))
			.map(function (th) {
				return th.getAttribute('class');
			})
			.then(function (clazzes) {
				var rows = bodyElement.all(by.css('tr'));
				var row = new Row(rows.get(index), clazzes);
				def.resolve(row);
			});

		return def.promise;
	};
};
 
module.exports = Table;