(groups)
| 467 | for (var property in prototype) object[property] = prototype[property]; |
| 468 | }; |
| 469 | function d3_selection(groups) { |
| 470 | d3_subclass(groups, d3_selectionPrototype); |
| 471 | return groups; |
| 472 | } |
| 473 | var d3_select = function(s, n) { |
| 474 | return n.querySelector(s); |
| 475 | }, d3_selectAll = function(s, n) { |