change: javascript var with let

diff --git a/cal.js b/cal.js
index fdb4111cb68a8c70b16e7bd32264304523ddb298..f61e56953693c6a77c68d928f2e526b806a065a9 100644 (file)
--- a/cal.js
+++ b/cal.js
@@ -1,7 +1,7 @@
 function addDaysOfMonth(tr, days)
 {
-       var th = null;
-       for (var i = 1; i < days + 1; i++) {
+       let th = null;
+       for (let i = 1; i < days + 1; i++) {
                th = document.createElement("th");
                th.innerText = i;
                tr.appendChild(th);
@@ -11,10 +11,10 @@ function addDaysOfMonth(tr, days)
 
 function addMonthDaysHeader()
 {
-       var monthdaysheader = document.createElement("tr");
-       var date = new Date();
+       let monthdaysheader = document.createElement("tr");
+       let date = new Date();
 
-       for (var i = 1; i < 13; i++) {
+       for (let i = 1; i < 13; i++) {
                date.setMonth(i, 0);
                addDaysOfMonth(monthdaysheader, date.getDate());
        }
@@ -24,15 +24,15 @@ function addMonthDaysHeader()
 
 function addMonthHeader()
 {
-       var monthheader = document.createElement("tr");
+       let monthheader = document.createElement("tr");
        const monthnames = [ "Januar", "Februar", "März", "April", "Mai", "Juni",
                "Juli", "August", "September", "Oktober", "November",
                "Dezember" ];
-       var date = new Date();
-       var month = null;
-       var span = null;
+       let date = new Date();
+       let month = null;
+       let span = null;
 
-       for (var i = 1; i < 13; i++) {
+       for (let i = 1; i < 13; i++) {
                month = document.createElement("th");
                span = document.createAttribute("colspan");
 
@@ -49,8 +49,8 @@ function addMonthHeader()
 
 function calender()
 {
-       var cal = document.getElementById("cal");
-       var table = document.createElement("table");
+       let cal = document.getElementById("cal");
+       let table = document.createElement("table");
 
        table.appendChild(addMonthHeader());
        table.appendChild(addMonthDaysHeader());