function selection_each(callback) {
  for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) {
    for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) {
      if (node = group[i]) callback.call(node, node.__data__, i, group);
    }
  }
  return this;
}
export {
  selection_each as default
};
//# sourceMappingURL=src-selection-each.js.map
