(node)
| 5889 | return children && children.length ? children[0] : node._tree.thread; |
| 5890 | } |
| 5891 | function d3_layout_treeRight(node) { |
| 5892 | var children = node.children, n; |
| 5893 | return children && (n = children.length) ? children[n - 1] : node._tree.thread; |
| 5894 | } |
| 5895 | function d3_layout_treeSearch(node, compare) { |
| 5896 | var children = node.children; |
| 5897 | if (children && (n = children.length)) { |