demo/bundle.js
/**
               * Handles validation attribute changes
               * @param {Array<MutationRecord>} mutationsList
               * @private
               */
Handles validation attribute changes
@param {Array} mutationsList
@private
Handles validation attribute changes @param { Array } mutationsList @private
handleValidationAttributeMutation_(mutationsList) {
                mutationsList.some((mutation) => {
                  if (VALIDATION_ATTR_WHITELIST.indexOf(mutation.attributeName) > -1) {
                    this.styleValidity_(true);
                    return true;
                  }
                });
              }
handleValidationAttributeMutation_ ( mutationsList ) { mutationsList . some ( ( mutation ) => { if ( VALIDATION_ATTR_WHITELIST . indexOf ( mutation . attributeName ) > - 1 ) { this . styleValidity_ ( true ) ; return true ; } } ) ; }
Handles validation attribute changes
 @param {Array<MutationRecord>} mutationsList
 @private
Handles validation attribute changes @param { Array<MutationRecord > } mutationsList @private