get localName(){
        return this.prefix?
            this.nodeName.substring(this.prefix.length+1, this.nodeName.length):
            this.nodeName;
    }
@class  Node -
     The Node interface is the primary datatype for the entire
     Document Object Model. It represents a single node in the
     document tree.
@param  ownerDocument : Document - The Document object associated with this node.