iframe alternative virtual window code example

Example 1: how to add event listener to iframe

var iframe = document.getElementById('myIFrame');
iframe.contentWindow.body.addEventListener('mouseup', Handler);

function Handler() {
    alert('works');
}

Example 2: custom iframe

<iframe width="560" height="315" src="https://www.youtube.com/embed/owsfdh4gxyc" frameborder="0" allowfullscreen></iframe>