function hasClickEvent(element) {
        var attr = element.attributes;
        for (var i = 0; i < attr.length; i++) {
          if (tAttrs.$normalize(attr[i].name) === 'ngClick') {
            return true;
          }
        }
        return false;
      }
@param {Element} element
@return {boolean} true if the element has an ng-click attribute, false otherwise