getParentKeyForNodeData method
If there is a parent node for the given node data, return the parent's key. @param {Object} nodedata a JavaScript object represented by a node. @return {string|number|undefined} This returns undefined if there is no parent node data object. @see #nodeParentKeyProperty @see #setParentKeyForNodeData
Implementation
_i2.dynamic getParentKeyForNodeData(_i2.Object nodedata) => _i4.callMethod(
this,
'getParentKeyForNodeData',
[nodedata],
);