Come faccio tramite un submit a resettare delle combo .

Tom

Prova così


<script language="javascript">
function tg(){
aa=document.form.sel.options.length;
for(i=0; i<aa; i++){
self.document.form.sel.options[0] = null;
}
}
</script>


<form name="form">
<select name="sel">
<option>1
<option>2
<option>3
<option>4
<option>5
</select>
</form>

<input type="submit" value="Cancella le opzioni" onClick="tg()">


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