https://stackoverflow.com/questions/22086722/resize-cross-domain-iframe-height https://github.com/davidjbradshaw/iframe-resizer
Parent
<iframe id="myIframe" style="border:none;" src="data:text/html;charset=utf-8,{}"></iframe>
<script>
iFrameResize(, '#myIframe')
</script>
Inside Iframe
<script type="text/javascript" src="https://crashlaker.github.io/static/js/iframe-resize-content.js"></script>