1 files changed, 22 insertions, 19 deletions

diff --git a/django/contrib/admin/static/admin/js/calendar.js b/django/contrib/admin/static/admin/js/calendar.js
index 458eece92f..deaac8ec20 100644
--- a/django/contrib/admin/static/admin/js/calendar.js
+++ b/django/contrib/admin/static/admin/js/calendar.js
@@ -1,3 +1,4 @@
+/*global gettext, get_format, quickElement, removeChildren*/
 /*
 calendar.js - Calendar functions by Adrian Holovaty
 depends on core.js for utility functions like removeChildren or quickElement
@@ -9,17 +10,17 @@ var CalendarNamespace = {
     daysOfWeek: gettext('S M T W T F S').split(' '),
     firstDayOfWeek: parseInt(get_format('FIRST_DAY_OF_WEEK')),
     isLeapYear: function(year) {
-        return (((year % 4)==0) && ((year % 100)!=0) || ((year % 400)==0));
+        return (((year % 4)===0) && ((year % 100)!==0) || ((year % 400)===0));
     },
     getDaysInMonth: function(month,year) {
         var days;
-        if (month==1 || month==3 || month==5 || month==7 || month==8 || month==10 || month==12) {
+        if (month===1 || month===3 || month===5 || month===7 || month===8 || month===10 || month===12) {
             days = 31;
         }
-        else if (month==4 || month==6 || month==9 || month==11) {
+        else if (month===4 || month===6 || month===9 || month===11) {
             days = 30;
         }
-        else if (month==2 && CalendarNamespace.isLeapYear(year)) {
+        else if (month===2 && CalendarNamespace.isLeapYear(year)) {
             days = 29;
         }
         else {
@@ -46,8 +47,8 @@ var CalendarNamespace = {
         // The day variable above will be 1 instead of 2 in, say, US Pacific time
         // zone.
         var isSelectedMonth = false;
-        if (typeof selected != 'undefined') {
-            isSelectedMonth = (selected.getUTCFullYear() == year && (selected.getUTCMonth()+1) == month);
+        if (typeof selected !== 'undefined') {
+            isSelectedMonth = (selected.getUTCFullYear() === year && (selected.getUTCMonth()+1) === month);
         }
 
         month = parseInt(month);
@@ -67,28 +68,30 @@ var CalendarNamespace = {
         var startingPos = new Date(year, month-1, 1 - CalendarNamespace.firstDayOfWeek).getDay();
         var days = CalendarNamespace.getDaysInMonth(month, year);
 
+        var _cell;
+
         // Draw blanks before first of month
         tableRow = quickElement('tr', tableBody);
-        for (var i = 0; i < startingPos; i++) {
-            var _cell = quickElement('td', tableRow, ' ');
+        for (i = 0; i < startingPos; i++) {
+            _cell = quickElement('td', tableRow, ' ');
             _cell.className = "nonday";
         }
 
         // Draw days of month
         var currentDay = 1;
-        for (var i = startingPos; currentDay <= days; i++) {
-            if (i%7 == 0 && currentDay != 1) {
+        for (i = startingPos; currentDay <= days; i++) {
+            if (i%7 === 0 && currentDay !== 1) {
                 tableRow = quickElement('tr', tableBody);
             }
-            if ((currentDay==todayDay) && (month==todayMonth) && (year==todayYear)) {
+            if ((currentDay===todayDay) && (month===todayMonth) && (year===todayYear)) {
                 todayClass='today';
             } else {
                 todayClass='';
             }
 
             // use UTC function; see above for explanation.
-            if (isSelectedMonth && currentDay == selected.getUTCDate()) {
-                if (todayClass != '') todayClass += " ";
+            if (isSelectedMonth && currentDay === selected.getUTCDate()) {
+                if (todayClass !== '') todayClass += " ";
                 todayClass += "selected";
             }
 
@@ -100,13 +103,13 @@ var CalendarNamespace = {
 
         // Draw blanks after end of month (optional, but makes for valid code)
         while (tableRow.childNodes.length < 7) {
-            var _cell = quickElement('td', tableRow, ' ');
+            _cell = quickElement('td', tableRow, ' ');
             _cell.className = "nonday";
         }
 
         calDiv.appendChild(calTable);
     }
-}
+};
 
 // Calendar -- A calendar instance
 function Calendar(div_id, callback, selected) {
@@ -120,7 +123,7 @@ function Calendar(div_id, callback, selected) {
     this.today = new Date();
     this.currentMonth = this.today.getMonth() + 1;
     this.currentYear = this.today.getFullYear();
-    if (typeof selected != 'undefined') {
+    if (typeof selected !== 'undefined') {
         this.selected = selected;
     }
 }
@@ -139,7 +142,7 @@ Calendar.prototype = {
         this.drawCurrent();
     },
     drawPreviousMonth: function() {
-        if (this.currentMonth == 1) {
+        if (this.currentMonth === 1) {
             this.currentMonth = 12;
             this.currentYear--;
         }
@@ -149,7 +152,7 @@ Calendar.prototype = {
         this.drawCurrent();
     },
     drawNextMonth: function() {
-        if (this.currentMonth == 12) {
+        if (this.currentMonth === 12) {
             this.currentMonth = 1;
             this.currentYear++;
         }
@@ -166,4 +169,4 @@ Calendar.prototype = {
         this.currentYear++;
         this.drawCurrent();
     }
-}
+};