diff --git a/Document-Processing/Excel/Spreadsheet/Javascript-ES5/docker-deployment.md b/Document-Processing/Excel/Spreadsheet/Javascript-ES5/docker-deployment.md
index b9f1a43a0..d8c24451c 100644
--- a/Document-Processing/Excel/Spreadsheet/Javascript-ES5/docker-deployment.md
+++ b/Document-Processing/Excel/Spreadsheet/Javascript-ES5/docker-deployment.md
@@ -103,7 +103,7 @@ Now the Spreadsheet server Docker instance runs on localhost with the provided p
     <div id='Spreadsheet'></div>
     <script>
       // Initialize Spreadsheet component.
-      const spreadsheet = new ej.spreadsheet.Spreadsheet({
+      var spreadsheet = new ej.spreadsheet.Spreadsheet({
         openUrl: 'http://localhost:6002/api/spreadsheet/open',
         saveUrl: 'http://localhost:6002/api/spreadsheet/save'
       });
diff --git a/Document-Processing/Excel/Spreadsheet/Javascript-ES5/formatting.md b/Document-Processing/Excel/Spreadsheet/Javascript-ES5/formatting.md
index 8d73209b7..cbd02c597 100644
--- a/Document-Processing/Excel/Spreadsheet/Javascript-ES5/formatting.md
+++ b/Document-Processing/Excel/Spreadsheet/Javascript-ES5/formatting.md
@@ -116,7 +116,7 @@ Compared to Excel, the date, time, currency, and accounting formats vary across
 The code below illustrates how culture-based format codes are mapped to their corresponding number format ID for the `German (de)` culture.
 
 ```js
-const deLocaleFormats = [
+var deLocaleFormats = [
     { id: 14, code: 'dd.MM.yyyy' },
     { id: 15, code: 'dd. MMM yy' },
     { id: 16, code: 'dd. MMM' },
diff --git a/Document-Processing/Excel/Spreadsheet/Javascript-ES5/open-save.md b/Document-Processing/Excel/Spreadsheet/Javascript-ES5/open-save.md
index 7b69bbb9d..d8ecf4ee5 100644
--- a/Document-Processing/Excel/Spreadsheet/Javascript-ES5/open-save.md
+++ b/Document-Processing/Excel/Spreadsheet/Javascript-ES5/open-save.md
@@ -166,11 +166,11 @@ var spreadsheet = new ej.spreadsheet.Spreadsheet({
     beforeOpen: (eventArgs) => {
         eventArgs.cancel = true; // To prevent the default open action.
         if (eventArgs.file) {
-            const reader = new FileReader();
+            var reader = new FileReader();
             reader.readAsDataURL(eventArgs.file);
             reader.onload = () => {
                 // Removing the xlsx file content-type.
-                const base64Data = reader.result.replace('data:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;base64,', '');
+                var base64Data = reader.result.replace('data:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;base64,', '');
                 openExcel({
                     file: base64Data,
                     extension: eventArgs.file.name.slice(eventArgs.file.name.lastIndexOf('.') + 1),
@@ -180,7 +180,7 @@ var spreadsheet = new ej.spreadsheet.Spreadsheet({
         }
     }
 });
-const openExcel = (requestData) => {
+var openExcel = (requestData) => {
     // Fetch call to AWS server for open processing.
     fetch('https://xxxxxxxxxxxxxxxxxx.amazonaws.com/Prod/api/spreadsheet/open', {
         method: 'POST',
@@ -344,7 +344,7 @@ The following code example demonstrates the client-side and server-side configur
 **Client Side**:
 
 ```javascript
-const spreadsheet = new ej.spreadsheet.Spreadsheet({
+var spreadsheet = new ej.spreadsheet.Spreadsheet({
     openSettings: {
         // Specifies the size (in bytes) of each chunk for the server response when opening a document.
         chunkSize: 1000000,
@@ -497,7 +497,7 @@ By default, the Spreadsheet control saves the Excel file and downloads it to the
 
     // Convert the spreadsheet workbook to JSON data.
     spreadsheet.saveAsJson().then((json) => {
-        const formData = new FormData();
+        var formData = new FormData();
         formData.append('FileName', "Sample");
         formData.append('saveType', 'Xlsx');
         // Passing the JSON data to perform the save operation.
@@ -581,11 +581,11 @@ var spreadsheet = new ej.spreadsheet.Spreadsheet({
         }
     }
 });
-const saveAsExcel = (eventArgs) => {
+var saveAsExcel = (eventArgs) => {
     // Convert the spreadsheet workbook to JSON data.
     spreadsheet.saveAsJson().then(Json => {
         saveInitiated = false;
-        const formData = new FormData();
+        var formData = new FormData();
         // Passing the JSON data to server to perform save operation.
         formData.append('JSONData', JSON.stringify(Json.jsonObject.Workbook));
         formData.append('saveType', 'Xlsx');
@@ -599,23 +599,23 @@ const saveAsExcel = (eventArgs) => {
                 return response.blob();
             }
         }).then(data => {
-            const reader = new FileReader();
+            var reader = new FileReader();
             reader.onload = function () {
                 //Converts the result of the file reading operation into a base64 string.
-                const textBase64Str = reader.result.toString();
+                var textBase64Str = reader.result.toString();
                 //Converts the base64 string into a Excel base64 string.
-                const excelBase64Str = atob(textBase64Str.replace('data:text/plain;base64,', ''));
+                var excelBase64Str = atob(textBase64Str.replace('data:text/plain;base64,', ''));
                 //Converts the Excel base64 string into byte characters.
-                const byteCharacters = atob(excelBase64Str.replace('data:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;base64,', ''));
-                const byteArrays = [];
-                for (let i = 0; i < byteCharacters.length; i++) {
+                var byteCharacters = atob(excelBase64Str.replace('data:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;base64,', ''));
+                var byteArrays = [];
+                for (var i = 0; i < byteCharacters.length; i++) {
                     byteArrays.push(byteCharacters.charCodeAt(i));
                 }
-                const byteArray = new Uint8Array(byteArrays);
+                var byteArray = new Uint8Array(byteArrays);
                 //creates a blob data from the byte array with xlsx content type.
-                const blobData = new Blob([byteArray], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' });
-                const blobUrl = URL.createObjectURL(blobData);
-                const anchor = document.createElement('a');
+                var blobData = new Blob([byteArray], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' });
+                var blobUrl = URL.createObjectURL(blobData);
+                var anchor = document.createElement('a');
                 anchor.download = 'Sample.xlsx';
                 anchor.href = blobUrl;
                 document.body.appendChild(anchor);
diff --git a/Document-Processing/Excel/Spreadsheet/Javascript-ES5/sort.md b/Document-Processing/Excel/Spreadsheet/Javascript-ES5/sort.md
index 0a1f7b47d..8a7f9c441 100644
--- a/Document-Processing/Excel/Spreadsheet/Javascript-ES5/sort.md
+++ b/Document-Processing/Excel/Spreadsheet/Javascript-ES5/sort.md
@@ -56,7 +56,7 @@ You can also enable or disable this property using `beforeSort` event arguments,
 
 ```ts
 
-let spreadsheet: Spreadsheet = new Spreadsheet({
+var spreadsheet: Spreadsheet = new Spreadsheet({
 
     beforeSort: function (args) {
         args.sortOptions.containsHeader = true;
@@ -79,7 +79,7 @@ You can also enable or disable this property using `beforeSort` event arguments,
 
 ```ts
 
-let spreadsheet: Spreadsheet = new Spreadsheet({
+var spreadsheet: Spreadsheet = new Spreadsheet({
 
     beforeSort: function (args) {
         args.sortOptions.caseSensitive = true;
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/change-active-sheet-cs1/index.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/change-active-sheet-cs1/index.js
index d4865e4dd..7156c3c5a 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/change-active-sheet-cs1/index.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/change-active-sheet-cs1/index.js
@@ -1,6 +1,6 @@
 ej.base.enableRipple(true);
 
-let spreadsheet = new ej.spreadsheet.Spreadsheet({
+var spreadsheet = new ej.spreadsheet.Spreadsheet({
     openUrl: 'https://document.syncfusion.com/web-services/spreadsheet-editor/api/spreadsheet/open',
     saveUrl: 'https://document.syncfusion.com/web-services/spreadsheet-editor/api/spreadsheet/save',
     openComplete: function() {
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/clipboard-cs1/index.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/clipboard-cs1/index.js
index 97156291f..c0925bb3f 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/clipboard-cs1/index.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/clipboard-cs1/index.js
@@ -1,5 +1,5 @@
 //Initialize action items.
-let items = [
+var items = [
   {
     text: "Copy"
   },
@@ -12,7 +12,7 @@ let items = [
 ];
 
 // Initialize the DropDownButton component.
-let drpDownBtn = new ej.splitbuttons.DropDownButton({
+var drpDownBtn = new ej.splitbuttons.DropDownButton({
   items: items,
   cssClass: "e-round-corner",
   select: (args) => {
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/clipboard-cs2/index.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/clipboard-cs2/index.js
index a8e77ab9c..60646b74b 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/clipboard-cs2/index.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/clipboard-cs2/index.js
@@ -1,5 +1,5 @@
 //Initialize action items.
-let items = [
+var items = [
   {
     text: "Copy"
   },
@@ -12,7 +12,7 @@ let items = [
 ];
 
 // Initialize the DropDownButton component.
-let drpDownBtn = new ej.splitbuttons.DropDownButton({
+var drpDownBtn = new ej.splitbuttons.DropDownButton({
   items: items,
   cssClass: "e-round-corner",
   select: (args) => {
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/column-header-change-cs1/index.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/column-header-change-cs1/index.js
index bb0455513..7160cf855 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/column-header-change-cs1/index.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/column-header-change-cs1/index.js
@@ -1,13 +1,13 @@
 ej.base.enableRipple(true);
 
-let spreadsheet = new ej.spreadsheet.Spreadsheet({
+var spreadsheet = new ej.spreadsheet.Spreadsheet({
   beforeCellRender: function (args) {
     if (
       args.colIndex >= 0 &&
       args.colIndex <= 10 &&
       args.element.classList.contains('e-header-cell')
     ) {
-      let text = 'custom header ' + args.colIndex.toString();
+      var text = 'custom header ' + args.colIndex.toString();
       args.element.innerText = text;
     }
   },
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/dynamic-data-binding-cs2/es5-datasource.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/dynamic-data-binding-cs2/es5-datasource.js
index 90f3365e0..e500b0da6 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/dynamic-data-binding-cs2/es5-datasource.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/dynamic-data-binding-cs2/es5-datasource.js
@@ -1,4 +1,4 @@
-let defaultData = [
+var defaultData = [
     {
         "Customer Name": "Romona Heaslip",
         "Model": "Taurus",
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/dynamic-data-binding-cs2/index.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/dynamic-data-binding-cs2/index.js
index 6015e2d59..48b343b26 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/dynamic-data-binding-cs2/index.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/dynamic-data-binding-cs2/index.js
@@ -1,5 +1,5 @@
 
-let sheet = [{
+var sheet = [{
     ranges: [{ dataSource: defaultData }],
     columns: [
         { width: 180 }, { width: 130 }, { width: 130 }, { width: 180 },
@@ -7,7 +7,7 @@ let sheet = [{
     ]
 }];
 
-let spreadsheet = new ej.spreadsheet.Spreadsheet({
+var spreadsheet = new ej.spreadsheet.Spreadsheet({
     sheets: sheet,
     created: function () {
         // Applies cell formatting to specified range of the active sheet
@@ -18,7 +18,7 @@ let spreadsheet = new ej.spreadsheet.Spreadsheet({
 spreadsheet.appendTo('#spreadsheet');
 
 document.getElementById("updateDynamicData").onclick = () => {
-    let newDataCollection = {
+    var newDataCollection = {
         dataSource: [
           {
             'Payment Mode': 'Debit Card',
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/filter-cs2/es5-datasource.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/filter-cs2/es5-datasource.js
index 95a2c578b..0b6a601f8 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/filter-cs2/es5-datasource.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/filter-cs2/es5-datasource.js
@@ -1,5 +1,5 @@
 
-let defaultData = [
+var defaultData = [
   {
       "Customer Name": "Romona Heaslip",
       "Model": "Taurus",
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/filter-cs2/index.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/filter-cs2/index.js
index 33274c28f..e10831222 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/filter-cs2/index.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/filter-cs2/index.js
@@ -1,5 +1,5 @@
 
-let sheet = [{
+var sheet = [{
     ranges: [{ dataSource: defaultData }],
     columns: [
         { width: 180 }, { width: 130 }, { width: 130 }, { width: 180 },
@@ -7,13 +7,13 @@ let sheet = [{
     ]
 }];
 
-let spreadsheet = new ej.spreadsheet.Spreadsheet({
+var spreadsheet = new ej.spreadsheet.Spreadsheet({
     sheets: sheet,
     created: function () {
         // Applies cell formatting to specified range of the active sheet
         spreadsheet.cellFormat({ fontWeight: 'bold', textAlign: 'center', verticalAlign: 'middle' }, 'A1:F1');
         // Construct the predicate model to be updated to the data.
-        let predicates = [{
+        var predicates = [{
             field: 'C',
             operator: 'equal',
             value: 'Pink',
@@ -27,13 +27,13 @@ let spreadsheet = new ej.spreadsheet.Spreadsheet({
 spreadsheet.appendTo('#spreadsheet');
 
 document.getElementById("getFilterData").onclick = () => {
-    let activeSheet = spreadsheet.getActiveSheet();
-    let usedRange = activeSheet.usedRange;
-    for (let i = 0; i <= usedRange.rowIndex; i++) {
+    var activeSheet = spreadsheet.getActiveSheet();
+    var usedRange = activeSheet.usedRange;
+    for (var i = 0; i <= usedRange.rowIndex; i++) {
         // Get the filtered row using isFiltered property.
-        let filteredRow = (activeSheet.rows[i]).isFiltered;
+        var filteredRow = (activeSheet.rows[i]).isFiltered;
         if (!filteredRow) {
-            let rowData = spreadsheet.getRowData(i);
+            var rowData = spreadsheet.getRowData(i);
             console.log("Row:", i + 1, "Cells", rowData);
         }
     }
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/find-target-context-menu/index.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/find-target-context-menu/index.js
index 70ba205c0..dd1e079d3 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/find-target-context-menu/index.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/find-target-context-menu/index.js
@@ -1,6 +1,6 @@
 ej.base.enableRipple(true);
 
-let spreadsheet = new ej.spreadsheet.Spreadsheet({
+var spreadsheet = new ej.spreadsheet.Spreadsheet({
   contextMenuBeforeOpen: function (args) {
     if (ejs.base.closest(args.event.target, '.e-sheet-content')) {
       console.log('Cell Context Menu');
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/format/globalization-cs1/index.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/format/globalization-cs1/index.js
index b6ee2e014..48533eec2 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/format/globalization-cs1/index.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/format/globalization-cs1/index.js
@@ -1,12 +1,12 @@
 ej.base.enableRipple(true);
 
 // Loading the culture-related files.
-const loadCultureFiles = (locales) => {
-    const files = ['ca-gregorian', 'numbers', 'timeZoneNames', 'currencies', 'numberingSystems'];
+var loadCultureFiles = (locales) => {
+    var files = ['ca-gregorian', 'numbers', 'timeZoneNames', 'currencies', 'numberingSystems'];
     locales.forEach((locale) => {
-        for (const fileName of files) {
-            const url = './cldr-data/' + (fileName === 'numberingSystems' ? '' : (locale + '/')) + fileName + '.json';
-            const ajax = new ej.base.Ajax(url, 'GET', false);
+        for (var fileName of files) {
+            var url = './cldr-data/' + (fileName === 'numberingSystems' ? '' : (locale + '/')) + fileName + '.json';
+            var ajax = new ej.base.Ajax(url, 'GET', false);
             ajax.onSuccess = (value) => ej.base.loadCldr(JSON.parse(value));
             ajax.send();
         }
@@ -19,7 +19,7 @@ ej.base.setCulture('de');
 // Setting currency code for the German culture.
 ej.base.setCurrencyCode('EUR');
 
-const localeFormats = {
+var localeFormats = {
     'de': [{ id: 37, code: '#,##0;-#,##0' }, { id: 38, code: '#,##0;[Red]-#,##0' },
         { id: 39, code: '#,##0.00;-#,##0.00' }, { id: 40, code: '#,##0.00;[Red]-#,##0.00' }, { id: 5, code: '#,##0 "€";-#,##0 "€"' },
         { id: 6, code: '#,##0 "€";[Red]-#,##0 "€"' }, { id: 7, code: '#,##0.00 "€";-#,##0.00 "€"' },
@@ -50,7 +50,7 @@ const localeFormats = {
 // Mapping default number formats for the 'de' locale before the spreadsheet is created.
 ej.spreadsheet.configureLocalizedFormat(null, localeFormats['de']);
 
-const spreadsheet = new ej.spreadsheet.Spreadsheet({
+var spreadsheet = new ej.spreadsheet.Spreadsheet({
     locale: 'de',
     listSeparator: ';',
     sheets: [{
@@ -68,7 +68,7 @@ const spreadsheet = new ej.spreadsheet.Spreadsheet({
 spreadsheet.appendTo('#spreadsheet');
 
 // Setting culture-specific number formats for cells.
-const applyFormats = () => {
+var applyFormats = () => {
     // Apply format to the specified range in the active sheet.
     // The getFormatFromType method returns the culture-based format code based on the mapped formats.
     // If a format ID is not mapped or is not applicable, it will return the format code based on the loaded culture.
@@ -103,9 +103,9 @@ new ej.dropdowns.DropDownList(
         popupHeight: '200px',
         placeholder: 'Select Locale',
         change: (args) => {
-            const localeOption = args.value.split(' ');
+            var localeOption = args.value.split(' ');
             // Setting the culture name like 'de', 'fr-CH', 'zh', and 'en-US'.
-            const cultureName = localeOption[0];
+            var cultureName = localeOption[0];
             ej.base.setCulture(cultureName);
             // Setting the currency code for the selected locale like 'EUR', 'CNY', 'CHF', and 'USD'.
             ej.base.setCurrencyCode(localeOption[1]);
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/protect-sheet-cs2/index.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/protect-sheet-cs2/index.js
index 1f72c2751..feb492500 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/protect-sheet-cs2/index.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/protect-sheet-cs2/index.js
@@ -1,7 +1,7 @@
 // Initialize the Spreadsheet component.
 var columns = [{ width: 100 }, { width: 100 },{ width: 100},
     { width: 100 }];
-let spreadsheet = new ej.spreadsheet.Spreadsheet({
+var spreadsheet = new ej.spreadsheet.Spreadsheet({
     sheets: [{ name: 'Budget', ranges: [{ dataSource: budgetData }], columns: columns,isProtected: true, protectSettings: {selectCells: true} },
                 {name: 'Salary', ranges: [{ dataSource: salaryData }], columns: columns}],
     dataBound: function () {
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/protect-workbook/default-cs1/index.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/protect-workbook/default-cs1/index.js
index c5b1c8bba..83b17262a 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/protect-workbook/default-cs1/index.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/protect-workbook/default-cs1/index.js
@@ -1,7 +1,7 @@
 // Initialize the Spreadsheet component.
 var columns = [{ width: 100 }, { width: 100 },{ width: 100},
     { width: 100 }];
-let spreadsheet = new ej.spreadsheet.Spreadsheet({
+var spreadsheet = new ej.spreadsheet.Spreadsheet({
     isProtected: true,
     sheets: [{ name: 'Budget', ranges: [{ dataSource: budgetData }], columns: columns }],
     dataBound: function () {
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/protect-workbook/default-cs2/index.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/protect-workbook/default-cs2/index.js
index 39c91b343..40df057d1 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/protect-workbook/default-cs2/index.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/protect-workbook/default-cs2/index.js
@@ -1,7 +1,7 @@
 // Initialize the Spreadsheet component.
 var columns = [{ width: 100 }, { width: 100 },{ width: 100},
     { width: 100 }];
-let spreadsheet = new ej.spreadsheet.Spreadsheet({
+var spreadsheet = new ej.spreadsheet.Spreadsheet({
     password: 'syncfusion',
     sheets: [{ name: 'Budget', ranges: [{ dataSource: budgetData }], columns: columns }],
     dataBound: function () {
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/ribbon/cutomization-cs1/index.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/ribbon/cutomization-cs1/index.js
index 0d546a2cc..b1caca487 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/ribbon/cutomization-cs1/index.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/ribbon/cutomization-cs1/index.js
@@ -75,7 +75,7 @@ var spreadsheet = new ej.spreadsheet.Spreadsheet({
 spreadsheet.appendTo('#spreadsheet');
 
 function appendDropdownBtn(id) {
-    let ddlItems = [
+    var ddlItems = [
         {
             text: 'Download Excel',
         },
@@ -83,7 +83,7 @@ function appendDropdownBtn(id) {
             text: 'Download CSV',
         },
     ];
-    let btnObj = new ej.splitbuttons.DropDownButton({
+    var btnObj = new ej.splitbuttons.DropDownButton({
         items: ddlItems,
         content: 'Download',
         iconCss: 'e-icons e-download',
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/selected-cell-values/es5-datasource.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/selected-cell-values/es5-datasource.js
index 95a2c578b..0b6a601f8 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/selected-cell-values/es5-datasource.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/selected-cell-values/es5-datasource.js
@@ -1,5 +1,5 @@
 
-let defaultData = [
+var defaultData = [
   {
       "Customer Name": "Romona Heaslip",
       "Model": "Taurus",
diff --git a/Document-Processing/code-snippet/spreadsheet/javascript-es5/selected-cell-values/index.js b/Document-Processing/code-snippet/spreadsheet/javascript-es5/selected-cell-values/index.js
index cd37d72bb..41215b1a9 100644
--- a/Document-Processing/code-snippet/spreadsheet/javascript-es5/selected-cell-values/index.js
+++ b/Document-Processing/code-snippet/spreadsheet/javascript-es5/selected-cell-values/index.js
@@ -1,5 +1,5 @@
 
-let sheet = [{
+var sheet = [{
     ranges: [{ dataSource: defaultData }],
     columns: [
         { width: 180 }, { width: 130 }, { width: 130 }, { width: 180 },
@@ -7,7 +7,7 @@ let sheet = [{
     ]
 }];
 
-let spreadsheet = new ej.spreadsheet.Spreadsheet({
+var spreadsheet = new ej.spreadsheet.Spreadsheet({
     sheets: sheet,
     created: function () {
         // Applies cell formatting to specified range of the active sheet
@@ -18,13 +18,13 @@ let spreadsheet = new ej.spreadsheet.Spreadsheet({
 spreadsheet.appendTo('#spreadsheet');
 
 document.getElementById("getSelectedCellValues").onclick = () => {
-    let sheet = spreadsheet.getActiveSheet();
-    let selectedRange = sheet.selectedRange;
-    let index = ej.spreadsheet.getRangeIndexes(selectedRange);
-    let cellRange = ej.spreadsheet.getSwapRange(index);
-    let swappedRange = ej.spreadsheet.getRangeAddress(cellRange);
-    let valueObject = [];
-    let range = sheet.name + '!' + swappedRange;
+    var sheet = spreadsheet.getActiveSheet();
+    var selectedRange = sheet.selectedRange;
+    var index = ej.spreadsheet.getRangeIndexes(selectedRange);
+    var cellRange = ej.spreadsheet.getSwapRange(index);
+    var swappedRange = ej.spreadsheet.getRangeAddress(cellRange);
+    var valueObject = [];
+    var range = sheet.name + '!' + swappedRange;
     // Get the collection of selected cell values by using the getData() method.
     spreadsheet.getData(range).then((cells) => {
       cells.forEach((cell) => {