code: function(el, prevSelector) {
  
          var selector;
  
          if (el === this.el) {
              if (typeof prevSelector === 'string') selector = '> ' + prevSelector;
              return selector;
          }
  
          if (el) {
  
              var nthChild = V(el).index() + 1;
              selector = el.tagName + ':nth-child(' + nthChild + ')';
  
              if (prevSelector) {
                  selector += ' > ' + prevSelector;
              }
  
              selector = this.getSelector(el.parentNode, selector);
          }
  
          return selector;
      }
docs: Construct a unique selector for the `el` element within this view. `prevSelector` is being collected through the recursive call. No value for `prevSelector` is expected when using this method.