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<!--This example uses the Date object to determine the day from an entered date.-->
<HTML>
<HEAD>
<TITLE> Date Example </TITLE>
<SCRIPT LANGUAGE="JavaScript">
function whichDayWasThat(date) {
// Validate the input
if (!/^[0-9]{1,2}-[0-9]{1,2}-[0-9]{4}$/.test(date)) {
alert('Date format should be as follows:\nD-M-YYYY or DD-MM-YYYY.\n\nPlease try again');
return;
}
// Define the vars and objects
this.date = date.split('-');
days = new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday');
myDate = new Date();
// Do some date stuff
myDate.setMonth(parseInt(this.date[1]-1),this.date[0]); // Januari = 0, so substract 1 from the input
myDate.setFullYear(this.date[2]);
// Alert the result
alert(this.date.join('-') + ' was/is a ' + days[myDate.getDay()]);
}
</SCRIPT>
</HEAD>
<BODY>
<form name=f>
Enter a date. Example: 18-12-1966<br>
<input type="text" size="40" name="d"><br>
<input type="button" value="Get the day" onClick="whichDayWasThat(document.f.d.value)">
</form>
</BODY>
</HTML>
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