how can i get the week number?

**ubkra** · Jul 10th, 2012, 07:38 PM

I have this code but it does not work

javascript Code:

<script language="javascript">
 
function script(){
    var today = new Date();
    var weekno = today.getWeek();
    alert(weekno);
}
</script>
</head>
 
<body onload="script();">
 
</body>

**Mr.Joker** · Jul 11th, 2012, 04:28 AM

If you want number of week in month you have to create it on different way because its not defined inside javascript by default.

javascript Code:

<script type="text/javascript">
var Date = new Date();
var day = Date.getDate();
if(day<=7) {
alert("Its first week of month.");
} else if(day<=14) {
alert("Its second week of month.");
} else if(day<=21) {
alert("Its third week of the month.");
} else if(day<=28) {
alert("Its fourth week of the month.");
}
</script>

**ubkra** · Jul 11th, 2012, 05:23 PM

I want the week number of the year, ie: week 23

**tr333** · Jul 11th, 2012, 07:58 PM

Datejs has methods for getWeek() and getISOWeek(), which is what I think you're looking for.

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