Function d3_selection_dataNode

explainshell/web/static/js/d3.v3.js:894–898

(data)

    return update;
  };
  function d3_selection_dataNode(data) {
    return {
      __data__: data
    };
  }
  d3_selectionPrototype.datum = function(value) {
    return arguments.length ? this.property("__data__", value) : this.property("__data__");
  };