<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Math </title>
<script type="text/javascript">
function math(x){
docment.write(Math.floor(x)+"<br/>");
}
math(3.3);
math(-0.1);
math(-9.9);
math(9.8);
/*document.write(Math.floor(3.3)+"<br/>");
document.write(Math.floor(-0.1)+"<br/>");
document.write(Math.floor(-9.9)+"<br/>");
document.write(Math.floor(9.8));*/
</script>
</head>
<body>
</body>
</html>
document.write(Math.floor(x)+"<br/>");