selectedOptions[0].textContent; not working in IE or Firefox

Question

function call(op) {
    var x = op.selectedOptions[0].textContent;
    var n = x.substring(0, 3);
    //alert(n);
    document.pts.inputbox.value = n;
    document.p         


        

Answer 1

Try this

function call(op) {
    var x = op.options[op.selectedIndex].text;
    var n = x.substring(0, 3);
    alert('Index : '+op.selectedIndex+' and first 3 lettrs are : '+n);
}

DEMO.