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C_Volume2 Miscellaneous #80891

Date Picker

masterp
★★★★★
4.8 · ดาวน์โหลด: 2,341

This javascript will get the number of days in a month based upon the year selected.

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สรุปโดย AI: This codebase represents a historical implementation of the logic described in the metadata. Our preservation engine analyzes the structure to provide context for modern developers.

ซอร์สโค้ด
original-source 
<SCRIPT LANGUAGE="JavaScript">
function populate(objForm,selectIndex)
{
   timeA = new Date(objForm.year.options[objForm.year.selectedIndex].text,   objForm.month.options[objForm.month.selectedIndex].value,1);
   timeDifference = timeA - 86400000;
   timeB = new Date(timeDifference);
   var daysInMonth = timeB.getDate();
   for (var i = 0; i < objForm.day.length; i++)
   {
     objForm.day.options[0] = null;
   }
   for (var i = 0; i < daysInMonth; i++)
   {
     objForm.day.options[i] = new Option(i+1);
   }
   document.f1.day.options[0].selected = true;
}
function getYears()
{
// You can customize what years can be used
  var years = new Array(1997,1998,1999,2000,2001,2005)
  for (var i = 0; i < document.f1.year.length; i++)
  {
     document.f1.year.options[0] = null;
  }
  timeC = new Date();
  currYear = timeC.getFullYear();
  for (var i = 0; i < years.length; i++)
  {
     document.f1.year.options[i] = new Option(years[i]);
  }
  document.f1.year.options[2].selected=true;
}
window.onLoad = getYears;
</script>
</HEAD>
<BODY>
<center>
<form name=f1>
<table border=0>
<tr>
<td align=center>
<select name=year onChange="populate(this.form,this.form.month.selectedIndex);">
<option selected value=99>1999</option>
<option value=00>2000</option>
<option value=01>2001</option>
<option value=02>2002</option>
<option value=03>2003</option>
<option value=04>2004</option>
<option value=05>2005</option>
</select>
<select name=month onChange="populate(this.form,this.selectedIndex);">
<option value=01>January</option>
<option value=02>February</option>
<option value=03>March</option>
<option value=04>April</option>
<option value=05>May</option>
<option value=06>June</option>
<option value=07>July</option>
<option value=08>August</option>
<option value=09>September</option>
<option value=10>October</option>
<option value=11>November</option>
<option value=12>December</option>
</select>
<select name=day>
<option> </option>
<option> </option>
<option> </option>
<option> </option>
<option> </option>
<option> </option>
<option> </option>
</select>
</td>
</tr>
</table>
</form>
</center>
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