1
d3_selectionPrototype.sort = function(comparator) {
2
comparator = d3_selection_sortComparator.apply(this, arguments);
3
for (var j = -1, m = this.length; ++j < m;) this[j].sort(comparator);
7
function d3_selection_sortComparator(comparator) {
8
if (!arguments.length) comparator = d3.ascending;
9
return function(a, b) {
10
return comparator(a && a.__data__, b && b.__data__);