We can verify if select option are set using isset() in PHP.
Can someone tell similar approach in JavaScript. Please tell.

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PHP, SEO | anshul shrivastava | mediasworks.org | FB

You can use the SELECTED property of the Option you are looking at :

document.myForm.mySelect.options[0].selected

is TRUE if the first option in the Dropdown called mySelect on the form called myForm is selected. In the case of a multiple select, then each will be set to true.

Hi Anshul
Alternatively we can get
indexval=document.myForm.mySelect.selectedIndex

now you can check which option is selected.
<SCRIPT>
function temp()
{
whichindex=document.testform.firstlst.selectedInde x
if(whichindex>0)
 //option is set
else
 // option is not set
}
</SCRIPT>
<form name="testform">
<select name=firstlst onchange="temp()">
<option value=0>SelectNumber </option>
<option value=1>1 </option>
<option value=2>2</option>
<option value=3>3</option>
<option value=4>4</option>
<option value=5>5</option>
</select>
</form>
Hope this will help you

Cheers :)

vinod