code: function() {
      if ( !this.element ) { // eslint-disable-line no-negated-condition, inline-comments, max-len
        var attrs = assign( {}, this.attributes );
        attrs.id = this.id || this.u_id;
        if ( this.className ) attrs['class'] = this.className;
        this.setElement( document.createElement( this.tagName ) );
        this.setElementAttributes( attrs );
      } else {
        this.setElement( this.element );
      }
      this.element.setAttribute( 'data-bound', true );
    }
docs: Function used to ensure and set / create the base DOM element.