WebProgramming/week4.html at main · jurutang/WebProgramming · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
<!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>
        // 직접 객체 만들기
        let objNewClass = new Object();
        objNewClass.korName = "웹프로그래밍";
        objNewClass.engName = "Web Programming";
        objNewClass.classCode = "V024003";
        objNewClass.nStudent = 0;
        objNewClass.register = function () { this.nStudent++; };
        objNewClass.unregister = function () { this.nStudent--; };
        objNewClass.getStudentCount = function () { return this.nStudent; };
        // 리터럴 표기
        let objClass = {
            korName: "웹프로그래밍",
            engName: "Web Programming",
            classCode: "V024003",
            nStudent: 0,

            register: function() { this.nStudent++; },
            unregister: function() { this.nStudent--; },
            getStudentCount: function() { return this.nStudent; }
        };
        // Prototype
        function Class() {
            this.korName = "웹프로그래밍";
            this.engName = "Web Programming";
            this.classCode = "V024003";
            this.nStudent = 0;
        }
        Class.prototype.register = function () { this.nStudent++; };
        Class.prototype.unregister = function () { this.nStudent--; };
        Class.prototype.getStudentCount = function () { return this.nStudent; };

        document.write("<h1>1. 직접 객체 만들기</h1>");
        document.write("교과목 이름 = " + objNewClass.korName + "<br />");
        document.write("등록 학생 수 = " + objNewClass.nStudent + "<br />");
        objNewClass.register();
        document.write("after register, 등록 학생 수 = " + objNewClass.nStudent + "<br />");

        document.write("<hr>");

        document.write("<h1>2. 리터럴 표기법</h1>");
        document.write("교과목 이름 = " + objClass.korName + "<br />");
        document.write("등록 학생 수 = " + objClass.nStudent + "<br />");
        objClass.register();
        document.write("after register, 등록 학생 수 = " + objClass.nStudent + "<br />");

        document.write("<hr>");

        var objProClass = new Class();
        document.write("<h1>3. Prototype</h1>");
        document.write("교과목 이름 = " + objProClass.korName + "<br />");
        document.write("등록 학생 수 = " + objProClass.nStudent + "<br />");
        objProClass.register();
        document.write("after register, 등록 학생 수 = " + objProClass.nStudent + "<br />");
    </script>
</body>
</html>