lovecoding
/
W260426


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var arr = [];
        // 请输入7个成绩
        for(var i = 0;i<7;i++){
            // arr.push(prompt("请输入成绩")*1);
            arr[i] = prompt("请输入成绩")*1;
        }
        // 计算平均成绩和总成绩
        var avg = 0;
        var sum = 0;
        for(var i = 0;i<7;i++){
            sum += arr[i];
            if(arr[i]<60){
                document.write("第"+(i+1)+"门成绩为："+arr[i]+"，低于60分，不能通过。<br>");
            }
        }
        avg = sum/7;
        console.log("平均成绩为："+avg);
        console.log("总成绩为："+sum);
    </script>
</body>
</html>