JS clear multi-text box and text field sample code

<script type="text/javascript">
<!--
function cls(){
var sum=0;
var t = ("INPUT");
for (var i=0; i <;i++){
if (t[i].type=='text'){
++sum;
t[i].value="";//Clear
}
}
var sum1=0;
var t1 = ("textarea");
for (var i1=0; i1 <;i1++){
if (t1[i1].type=='textarea'){
++sum1;
t1[i1].value="";//Clear
}
}
alert('The page has TEXT:'+sum + ' \n' + 'The page has TextArea:' + sum1 + 'The page has TextArea:' + 'sum1 + 'The);
}
//-->
</script>