From a929dba87215756eba2a3186a74215b946eaeeb1 Mon Sep 17 00:00:00 2001
From: Bastian Dehn <hhaalo@arcor.de>
Date: Sun, 12 Dec 2021 19:17:01 +0100
Subject: [PATCH] add: month days header

---
 cal.js | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

diff --git a/cal.js b/cal.js
index b949700..fdb4111 100644
--- a/cal.js
+++ b/cal.js
@@ -1,19 +1,42 @@
+function addDaysOfMonth(tr, days)
+{
+	var th = null;
+	for (var i = 1; i < days + 1; i++) {
+		th = document.createElement("th");
+		th.innerText = i;
+		tr.appendChild(th);
+	}
+}
+
+
+function addMonthDaysHeader()
+{
+	var monthdaysheader = document.createElement("tr");
+	var date = new Date();
+
+	for (var i = 1; i < 13; i++) {
+		date.setMonth(i, 0);
+		addDaysOfMonth(monthdaysheader, date.getDate());
+	}
+
+	return monthdaysheader;
+}
+
 function addMonthHeader()
 {
 	var monthheader = document.createElement("tr");
 	const monthnames = [ "Januar", "Februar", "März", "April", "Mai", "Juni",
 		"Juli", "August", "September", "Oktober", "November",
 		"Dezember" ];
-	var month;
-	var span;
-	var date;
+	var date = new Date();
+	var month = null;
+	var span = null;
 
 	for (var i = 1; i < 13; i++) {
 		month = document.createElement("th");
 		span = document.createAttribute("colspan");
 
 		month.innerText = monthnames[i - 1];
-		date = new Date();
 		date.setMonth(i, 0);
 		span.value = date.getDate();
 
@@ -30,6 +53,7 @@ function calender()
 	var table = document.createElement("table");
 
 	table.appendChild(addMonthHeader());
+	table.appendChild(addMonthDaysHeader());
 
 	cal.appendChild(table);
 }
-- 
2.39.5