?? 4.1.2.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title> New Document </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
</head>
<body>
<script language="JavaScript" type="text/javascript">
<!--
var points=prompt("請輸入學生成績:",0);
if(points>=90){
alert("A");
}else if(points>=75){
alert("B");
}else if(points>=60){
alert("C");
}else if(points<60){
alert("D");
}
//-->
</script>
</body>
</html>
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