JavaScript: Lịch để bàn (Calendar)
Ví dụ dưới đây sẽ tạo một chương trình mô phỏng lịch để bàn bao gồm các thông tin: thứ, ngày, tháng và năm.
<!DOCTYPE html>
<html>
<head>
<title>Calendar</title>
</head>
<body>
<script>
<!-- Begin
monthnames = new Array("January", "Februrary", "March", "April", "May", "June", "July", "August", "September", "October", "November", "Decemeber");
var linkcount = 0;
function addlink(month, day, href) {
var entry = new Array(3);
entry[0] = month;
entry[1] = day;
entry[2] = href;
this[linkcount++] = entry;
}
Array.prototype.addlink = addlink;
linkdays = new Array();
monthdays = new Array(12);
monthdays[0] = 31;
monthdays[1] = 28;
monthdays[2] = 31;
monthdays[3] = 30;
monthdays[4] = 31;
monthdays[5] = 30;
monthdays[6] = 31;
monthdays[7] = 31;
monthdays[8] = 30;
monthdays[9] = 31;
monthdays[10] = 30;
monthdays[11] = 31;
todayDate = new Date();
thisday = todayDate.getDay();
thismonth = todayDate.getMonth();
thisdate = todayDate.getDate();
thisyear = todayDate.getYear();
thisyear = thisyear % 100;
thisyear = ((thisyear < 50) ? (2000 + thisyear) : (1900 + thisyear));
if (((thisyear % 4 == 0)
&& !(thisyear % 100 == 0))
|| (thisyear % 400 == 0)) monthdays[1]++;
startspaces = thisdate;
while (startspaces > 7) startspaces -= 7;
startspaces = thisday - startspaces + 1;
if (startspaces < 0) startspaces += 7;
document.write("<table border=2 bgcolor=white ");
document.write("bordercolor=black><font color=black>");
document.write("<tr><td colspan=7><center><strong>" + monthnames[thismonth] + " " + thisyear + "</strong></center></font></td></tr>");
document.write("<tr>");
document.write("<td align=center>Su</td>");
document.write("<td align=center>M</td>");
document.write("<td align=center>Tu</td>");
document.write("<td align=center>W</td>");
document.write("<td align=center>Th</td>");
document.write("<td align=center>F</td>");
document.write("<td align=center>Sa</td>");
document.write("</tr>");
document.write("<tr>");
for (s = 0; s < startspaces; s++) {
document.write("<td> </td>");
}
count = 1;
while (count <= monthdays[thismonth]) {
for (b = startspaces; b < 7; b++) {
linktrue = false;
document.write("<td>");
for (c = 0; c < linkdays.length; c++) {
if (linkdays[c] != null) {
if ((linkdays[c][0] == thismonth + 1) && (linkdays[c][1] == count)) {
document.write("<a href=\"" + linkdays[c][2] + "\">");
linktrue = true;
}
}
}
if (count == thisdate) {
document.write("<font color='FF0000'><strong>");
}
if (count <= monthdays[thismonth]) {
document.write(count);
}
else {
document.write(" ");
}
if (count == thisdate) {
document.write("</strong></font>");
}
if (linktrue)
document.write("</a>");
document.write("</td>");
count++;
}
document.write("</tr>");
document.write("<tr>");
startspaces = 0;
}
document.write("</table></p>");
// End -->
</script>
</body>
</html>