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来源:6-5 编程练习

Jin66

2020-05-24 18:48:24

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>逻辑运算</title>
</head>
<body>
    <script>
        var a=0,b=undefined,
            c=1,d="qidian";
        document.write(a&&b+"<br />");
        document.write(c&&d);
    </script>
</body>
</html>


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好帮手慕粉

2020-05-24

同学你好,代码实现的是正确的。继续加油,祝学习愉快~

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Jin66

提问者

2020-05-24

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>逻辑运算</title>
</head>
<body>
    <script>
        var a=0,b=undefined,
            c=1,d="qidian";
            document.write(c&&d+"<br />");
        document.write(a&&b);
    </script>
</body>
</html>

修改了下老师


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