<script language="javascript">
//VALIDACION CHECKBOX
function validacion(formu, obj) {
limite=1; //limite de checks a seleccionar
num=0;
if (obj.checked) {
for (i=0; ele=document.getElementById(formu).children[i]; i++)
if (ele.checked) num++;
if (num>limite)
obj.checked=false;
}
}
</script>
<div id="form1">
<input type="checkbox" name="check1" onchange="validacion('form1', this)" />
<input type="checkbox" name="check2" onchange="validacion('form1', this)" />
<input type="checkbox" name="check3" onchange="validacion('form1', this)" />
<input type="checkbox" name="check4" onchange="validacion('form1', this)" />
</div>
<div id="form2">
<input type="checkbox" name="check1" onchange="validacion('form2', this)" />
<input type="checkbox" name="check2" onchange="validacion('form2', this)" />
</div>
Limit number of selected checkboxes
permite que solo sea seleccionado un limite maximo de checks ubicados dentro de un div.
permite que solo sea seleccionado un limite maximo de checks ubicados dentro de un div.
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