lib/Ext/data/NodeInterface.js
function(destroy) {
                    var me = this;

                    // clear any references from the node
                    me.parentNode = me.previousSibling = me.nextSibling = null;
                    if (destroy) {
                        me.firstChild = me.lastChild = null;
                    }
                }
function(destroy) {
                    var me = this;

                    // clear any references from the node
                    me.parentNode = me.previousSibling = me.nextSibling = null;
                    if (destroy) {
                        me.firstChild = me.lastChild = null;
                    }
                }
function ( destroy ) { var me = this ; // clear any references from the node me . parentNode = me . previousSibling = me . nextSibling = null ; if ( destroy ) { me . firstChild = me . lastChild = null ; } }
Clear the node.
@private
@param {Boolean} destroy `true` to destroy the node.
Clear the node .