[thelist] js testing for empty fields

[Kae Verens]

Tom Dell'Aringa wrote:
> if
> ((myForm.elements['myField'].value==null)||(myForm.elements['myField'].value==""))
>   //field is empty
>
> Is it really necessary to check for the null value? How would a field
> have a null value but not a "" value?

null means "has no value", but "" means "is an empty string" - there is
a difference.

you could also probably get away with this:
if(myForm.elements['myField'].value.length<1)

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