I want to pass total value to label as php varable
<button type="button" class="button" onClick="fnIntTotal()">Internal Total =</button>
<script>
function fnIntTotal(){
var a = document.getElementById('txt_Lab').value;
var b = document.getElementById('txt_Sample').value;
var c = document.getElementById('txt_Wastage').value;
var total = parseInt(a || 0) + parseInt(b || 0) + parseInt(c || 0);
document.getElementById('inttotal').innerHTML=total;
document.getElementById('inttotal').value=total;
if (isNaN(a) || isNaN(b) || isNaN(c))
{
document.getElementById('inttotal').style.display="inline-block";
document.getElementById("inttotal").style.color = "red";
document.getElementById('inttotal').innerHTML="Enter a valid Number";
}
else
{
document.getElementById("inttotal").style.color = "green";
}
}
</script>
<label id='inttotal' name='inttotal' ></label>
