in static/js/scroll-apiref.js [27:38]
function collectNodesFlat(tocMap, obj) {
var collect = obj || {};
tocMap.map(function(node, index) {
var sectionNode = $('#' + node.section);
tocItem = {section: sectionNode};
if (node.subsections) {
subsectionNodes = (collectNodesFlat(node.subsections, collect));
}
collect[node.section] = sectionNode;
});
return collect;
}