https://10181128.xyz/js/column.js

1(function() {
2    function $() {
3        return Array.prototype.slice.call(document.querySelectorAll.apply(document, arguments));
4    }
5
6    // copy widgets in the right column, when exist, to the bottom of the left column
7    if ($('.columns .column-right').length && $('.columns .column-right-shadow').length && !$('.columns .column-right-shadow')[0].children.length) {
8        for (const child of $('.columns .column-right')[0].children) {
9            $('.columns .column-right-shadow')[0].append(child.cloneNode(true));
10        }
11    }
12}());