Credit Card Monthly

const dataQueryString = config.data ? Object.keys(config.data)
.map(function (key) {
return '&' + key + '=' + encodeURIComponent(JSON.stringify(config.data[key]));
})
.join('') : '';

var iframe = document.createElement('iframe');
iframe.frameBorder = 0;
iframe.src = config.url + dataQueryString;

if (config.nodeId) {
var node = document.getElementById(config.nodeId);
node.style.height = config.height;
node.style.width = config.width;
iframe.height = '100%';
iframe.width = '100%';
node.append(iframe);
} else {
iframe.height = config.height;
iframe.width = config.width;
document.body.append(iframe);
}

var eventMethod = window.addEventListener ? 'addEventListener' : 'attachEvent';
var messageEvent = eventMethod === 'attachEvent' ? 'onmessage' : 'message';

window[eventMethod](messageEvent,function(e) {
if (e && e.data && config && iframe && e.source === iframe.contentWindow) {

try {
var message = JSON.parse(e.data);
if (message && message.event) {
var event = message.event.replace('embed.form.', '');
var callback = config.events ? config.events[event] : null;
if (callback) {
callback(message.data);
}
}
} catch(e) {}
}
},false);
})();