js pass data to iframe
window.addEventListener('message', function(event) {
var origin = event.origin || event.originalEvent.origin; // For Chrome, the origin property is in the event.originalEvent object.
if (origin !== /*the container's domain url*/)
return;
if (typeof event.data == 'object' && event.data.call=='sendValue') {
// Do something with event.data.value;
}
}, false);