code: def highlight(self):
          
          js_executor = self.driver_wrapper.js_executor
          def highlight_element():
              """
              Wrapper to highlight elements
              """
              location = self.element.location
              size = self.element.size
              js_executor.execute_template('elementHighlighterTemplate', {
                  'x': str(location['x']),
                  'y': str(location['y']),
                  'width': str(size['width']),
                  'height': str(size['height'])})
              return True
          self.execute_and_handle_webelement_exceptions(highlight_element, 'highlight')
          return self
docs: Draws a dotted red box around the wrapped element using javascript
  
          @rtype:     WebElementWrapper
          @return:    Self