SielDNS Update IP to specific subdomain automatization

SielAutoEdit.js

#!/usr/bin/nodejs
var baseUrl = "https://dns.siel.si/";
var username = "someUsername";
var password = "somePass";

var editDomain = 'https://dns.siel.si/domain/DOMAIN.NAME';
var domainName = 'SUB.DOMAIN.NAME.TO.CHANGE';

var ip = 'IP TO COMPARE';

var Nightmare = require('nightmare');

new Nightmare()	.viewport(1024,768)
		.goto(baseUrl)
			.type('input[name="username"]', username)
			.type('input[name="password"]', password)
			.click('#submitLogin')
			.wait()
			.screenshot('postLogin.png')
		.goto(editDomain)
			.evaluate(function(domainName) {
					var elements = $('td:contains("' + domainName + '")');

					if (elements.size() > 0) {
						var parentElement = $(elements[0]).parent();
						$('a.edit', parentElement).click();
					}

					return [ 'nothing to show here'  ];
				},
				function(result) { console.log(result); },
			 domainName)
			.wait(40)
			.evaluate(function(ip) {
					var contentInputs = $('input[name="content"]');
					
					if (contentInputs.size() > 0) {
						var input = contentInputs[1];
						if (ip == $(input).val()) {
							return "same";
						} else {
							$(input).val(ip);
							$('button.btn-success', $(input).parent().parent()).click()
							return [ "diff", $(input).val() ];
						}
					} else {
						return [ contentInputs ];
					}
				},
				function(result) { console.log(result); },
				ip)
			.wait(500)
			.screenshot('postEdit.png')
		.run(function(err, nightmare) {
			if (err) return console.log(err);
			console.log('Done!');
		});