js 变量

吃面多放酱 2022-02-13 阅读 60

<!DOCTYPE html>

<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8" />
    <title></title>
    <script>
        //1.声明一个 age 变量
        var age;
        //2.赋值
        age = 18;
        //3.输出结果
        console.log(age);
        //4.变量的初始化
        var name = 'hzyandwxc';
        console.log(name);
    </script>
</head>
<body>

</body>
</html>

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