My date calculation do not seem to work out. I have a list box with a character string value of dates ie: 03/28/2009. I want to create a date range for the week. So I would like to get the starting and ending date for this week. In the code below is what I attempted, but the results I got were Tuesday Apr 28 and Wednesday Apr22. what am I doing wrong: -
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var cW = document.getElementById('resetNonUnionTime').value;
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var dEnd = new Date( cW.substr(6,4),cW.substr(0,2),cW.substr(3,2) );
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var dStart = new Date( dEnd );
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dStart.setDate(dStart.getDate()-6);
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alert(cW+"\n"+dEnd+"\n"+dStart);
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Here is the actual results from the alert box:
03/28/2009
Tue Apr 28 2009 00:00:00 GMT-0500 (Central Daylight Time)
Wed Apr 22 2009 00:00:00 GMT-0500 (Central Daylight Time)
3  2644 
Well it seemed to work when I removed the substr on the cW variable. But my question now is. Is this a reliable method of doing the date calculation? I am using Firefox. Will this method work with other browsers as well? -
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var cW = document.getElementById('resetNonUnionTime').value;
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var dEnd = new Date( cW );
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var dStart = new Date( cW );
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dStart.setDate(dStart.getDate()-6);
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alert(cW+"\n"+dEnd+"\n"+dStart);
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acoder 16,027
Recognized Expert Moderator MVP
The month is 0-based, so just subtract 1 from it.
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