I'm trying to run this code that I made in HTML involving javascript, but it's not running. Can someone point out what's wrong?
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function math() {
var a = 1;
var b = 0;
var c = 0;
var sum = 0;
for (var a = 1; a <10; a++) {
sum = a+c;
c = a+b;
a = b;
}
alert(sum);
}
</script>
</head>
<body>
<script type="text/javascript">
math();
</script>
</body>
</html>