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@@ -0,0 +1,50 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+</head>
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+
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+<body>
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+ <script>
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+ function Person(userName, userAge) {
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+ this.userName = userName;
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+ this.userAge = userAge;
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+ // this.talk = function () {
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+ // console.log(`大家好我叫${this.userName}今年${this.userAge}岁了`);
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+ // }
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+ }
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+ Person.prototype.loveCoding = "四福";
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+ Person.prototype.talk = function () {
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+ console.log(`大家好我叫${this.userName}今年${this.userAge}岁了`);
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+ }
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+
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+ // var p1 = new Person('张三', 18);
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+ // p1.talk();
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+
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+ // 构造继承 无法继承原型上的属性和方法
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+ // function Student(userName,userAge,school) {
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+ // Person.call(this,userName,userAge);
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+ // this.school = school;
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+ // }
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+ // let s1 = new Student('张三',18,'清华大学');
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+ // console.log(s1.userName);
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+ // console.log(s1.loveCoding);
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+
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+ // 原型继承
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+ function Student(userName,userAge,school) {
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+ this.userName = userName;
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+ this.userAge = userAge;
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+ this.school = school;
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+ }
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+ Student.prototype = new Person();
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+ let s1 = new Student('张三',18,'清华大学');
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+ console.log(s1.loveCoding);
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+ console.log(s1.userName);
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+ s1.talk();
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+ </script>
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+</body>
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+
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+</html>
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