Math问题:怎么设置成,我点一次,就更新一次数,我现在弄得是只能点一次
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Mathint </title>
<script type="text/javascript">
var i=Math.random()*10;
function abc(){
document.write(Math.round(i));
}
</script>
</head>
<body>
<input type="button" value="刷新" onclick="abc()">
</body>
</html>