https://ownyourfuture.vanguard.com/etc.clientlibs/iig-transformati….ACSHASH0c4b1c61e4ed0e14f079763904b4349b.js

1(function () {
2    "use strict";
3
4    // dynamically adjust iframe height to ensure chart isn't cutoff on mobile,
5    // doesn't have scrollbars, and doesn't have too much whitespace underneath on desktop
6
7    window.addEventListener('message', function(event) {
8        if (typeof event.data['datawrapper-height'] !== 'undefined') {
9            let iframes = document.querySelectorAll('iframe');
10            for (let chartId in event.data['datawrapper-height']) {
11                for (let i = 0; i < iframes.length; i++) {
12                    if (iframes[i].contentWindow === event.source) {
13                        let iframe = iframes[i];
14                        iframe.style.height = event.data['datawrapper-height'][chartId] + 'px';
15                    }
16                }
17            }
18        }
19    });
20})();