From cb57482d716a301879411befaf4df1d830b6f1c1 Mon Sep 17 00:00:00 2001
From: plukasew <plukasew@uwo.ca>
Date: Wed, 1 Sep 2021 12:30:18 -0400
Subject: [PATCH] SAK-46156 Improve gradebook JS rendering time in some
 browsers (#9735)

---
 .../tool/src/webapp/scripts/gradebook-gbgrade-table.js    | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/gradebookng/tool/src/webapp/scripts/gradebook-gbgrade-table.js b/gradebookng/tool/src/webapp/scripts/gradebook-gbgrade-table.js
index 475516ea0095..dea43408a1c4 100644
--- a/gradebookng/tool/src/webapp/scripts/gradebook-gbgrade-table.js
+++ b/gradebookng/tool/src/webapp/scripts/gradebook-gbgrade-table.js
@@ -688,6 +688,10 @@ GbGradeTable.renderTable = function (elementId, tableData) {
   GbGradeTable.COURSE_GRADE_COLUMN_INDEX = GbGradeTable.FIXED_COLUMN_OFFSET - 1; // course grade is always the last fixed column
   GbGradeTable.domElement.addClass('gb-fixed-columns-' + GbGradeTable.FIXED_COLUMN_OFFSET);
 
+  if (sakai && sakai.locale && sakai.locale.userLanguage) {
+    GbGradeTable.numFmt = new Intl.NumberFormat(sakai.locale.userLanguage);
+  }
+
   GbGradeTable.grades = GbGradeTable.mergeColumns(GbGradeTable.unpack(tableData.serializedGrades,
                                                                       tableData.rowCount,
                                                                       tableData.columnCount),
@@ -3121,8 +3125,8 @@ GbGradeTable.localizeNumber = function(number) {
         return;
     }
 
-    if (sakai && sakai.locale && sakai.locale.userLanguage) {
-        return parseFloat(number).toLocaleString(sakai.locale.userLanguage);
+    if (GbGradeTable.numFmt) {
+        return GbGradeTable.numFmt.format(parseFloat(number));
     }
 
     return '' + number;