?? t2.html
字號(hào):
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>Javascript實(shí)例</title>
<script language="javascript" type="text/javascript">
<!--
var num = parseInt(window.prompt("請(qǐng)輸入一個(gè)整數(shù)：",""));
var result=0;
for(i=1;i<=num;i++)
{
result+=i;
}
window.alert(result);
//-->
</script>
</head>
<body>
</body>
</html>
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