in core/src/main/resources/org/apache/karaf/webconsole/core/behavior/dracula/dracula_algorithms.js [293:311]
function bubble_down(i) {
var l = left(i);
var r = right(i);
/* as long as there are smaller children */
while(tree[l] && (tree[i][key] > tree[l][key]) || tree[r] && (tree[i][key] > tree[r][key])) {
/* find smaller child */
var child = tree[l] ? tree[r] ? tree[l][key] > tree[r][key] ? r : l : l : l;
/* swap with smaller child with current element */
tree[i] = tree.splice(child, 1, tree[i])[0];
/* go up one level */
i = child;
l = left(i);
r = right(i);
}
}