update zh-cn/application-dev/reference/apis/js-apis-data-resultset.md.

Signed-off-by: N葛亚芳 <geyafang@huawei.com>

zh-cn/application-dev/reference/apis/js-apis-data-resultset.md

@@ -124,7 +124,7 @@ goTo(offset:number): boolean
   ```js
   let predicatesgoto = new dataRdb.RdbPredicates("EMPLOYEE");
   let promisequerygoto = rdbStore.query(predicatesgoto, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-  promisequerygoto.then((resultSet) {
+  promisequerygoto.then((resultSet) => {
       resultSet.goTo(1);
       resultSet.close();
   }).catch((err) => {
@@ -157,7 +157,7 @@ goToRow(position: number): boolean
   ```js
   let predicatesgotorow = new dataRdb.RdbPredicates("EMPLOYEE");
   let promisequerygotorow = rdbStore.query(predicatesgotorow, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-  promisequerygotorow.then((resultSet) {
+  promisequerygotorow.then((resultSet) => {
       resultSet.goToRow(5);
       resultSet.close();
   }).catch((err) => {
@@ -185,7 +185,7 @@ goToFirstRow(): boolean
   ```js
   let predicatesgoFirst = new dataRdb.RdbPredicates("EMPLOYEE");
   let promisequerygoFirst = rdbStore.query(predicatesgoFirst, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-  promisequerygoFirst.then((resultSet) {
+  promisequerygoFirst.then((resultSet) => {
       resultSet.goToFirstRow();
       resultSet.close();
   }).catch((err) => {
@@ -212,7 +212,7 @@ goToLastRow(): boolean
   ```js
   let predicatesgoLast = new dataRdb.RdbPredicates("EMPLOYEE");
   let promisequerygoLast = rdbStore.query(predicatesgoLast, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-  promisequerygoLast.then((resultSet) {
+  promisequerygoLast.then((resultSet) => {
       resultSet.goToLastRow();
       resultSet.close();
   }).catch((err) => {
@@ -239,7 +239,7 @@ goToNextRow(): boolean
   ```js
   let predicatesgoNext = new dataRdb.RdbPredicates("EMPLOYEE");
   let promisequerygoNext = rdbStore.query(predicatesgoNext, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-  promisequerygoNext.then((resultSet) {
+  promisequerygoNext.then((resultSet) => {
       resultSet.goToNextRow();
       resultSet.close();
   }).catch((err) => {
@@ -266,7 +266,7 @@ goToPreviousRow(): boolean
   ```js
   let predicatesgoPrev = new dataRdb.RdbPredicates("EMPLOYEE");
   let promisequerygoPrev = rdbStore.query(predicatesgoPrev, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-  promisequerygoPrev.then((resultSet) {
+  promisequerygoPrev.then((resultSet) => {
       resultSet.goToPreviousRow();
       resultSet.close();
   }).catch((err) => {
@@ -417,7 +417,7 @@ close(): void
   ```js
   let predicatesClose = new dataRdb.RdbPredicates("EMPLOYEE");
   let promiseClose = rdbStore.query(predicatesClose, ["ID", "NAME", "AGE", "SALARY", "CODES"]);
-  promiseClose.then((resultSet) {
+  promiseClose.then((resultSet) => {
       resultSet.close();
   }).catch((err) => {
       console.log('resultset close failed');