https://kioskbrowser.pro/js/embed.js

1/* 
2 * Resize remote embedded resources from ELiS Library
3 * It is JS listen of optimal height on iframe and resize iframe
4 * @author Arsen I. Borovinskiy
5 */
6
7window.addEventListener('message',function(event){
8    var data = event.data;
9    try {
10        if (typeof event.data === 'string') {
11            var data = JSON.parse(event.data);
12        }
13    } catch (err) {
14        
15    }
16    try {
17        if (data.height != null && data.src != null) {
18            var iframe = document.querySelector("iframe[src='" + data.src + "']");
19            if (iframe != null && iframe.src.match(event.origin)) {
20                iframe.style.height = data.height + 'px';
21                iframe.style.maxHeight = '';
22                iframe.style.border = 'none';
23            }
24        }
25    } catch (err) {
26       console.error(err);
27    }
28});