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【尚硅谷 Java Web 笔记】自定义对象

南柯Taylor 2022-02-20 阅读 56

Object形式的自定义对象

        对象的定义:

                var 变量名 = new Object();   // 对象实例(空对象)

                变量名.属性名 = 值;              // 定义一个属性

                变量名.函数名 = function(){} // 定义一个函数

        对象的访问:

                变量名.属性名/函数名();

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Object形式的自定义对象</title>

    <script type="text/javascript">
        var obj = new Object();
        obj.name = "端木翠花";
        obj.age = 18;
        obj.func = function () {
            alert("姓名:" + this.name + "\n" + "年龄:" + this.age);
        }

        obj.func();
    </script>

</head>
<body>

</body>
</html>

运行结果:

 

花括号形式的自定义对象

        对象的定义:

                var 变量名 = {

                        属性名: 值,

                        属性名: 值,

                        函数名: function(){}

                };

        对象的访问:

                变量名.属性名/函数名();

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>花括号形式的自定义对象</title>

    <script type="text/javascript">
        var obj = {
            name: "端木翠花",
            age: 18,
            func: function () {
                alert("姓名:" + this.name + "\n" + "年龄:" + this.age);
            }
        }
        obj.func();
    </script>

</head>
<body>

</body>
</html>
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