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@@ -0,0 +1,40 @@
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+<!DOCTYPE html>
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+<html lang="en">
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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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+ <body>
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+ <script>
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+ function Person(name, age) {
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+ this.name = name;
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+ this.age = age;
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+ }
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+ /**
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+ * 构造函数中 写属性
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+ * 原型中 写方法
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+ */
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+ Person.prototype.eat = function () {
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+ console.log("今天吃了好多");
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+ };
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+ var p1 = new Person("Lucy", 18);
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+ p1.eat();
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+ //constructor 构造器
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+ /**
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+ * 继承父类的方法(继承方法)
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+ * 1.子类构造函数里: 通过调用父类的.call继承
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+ * 2.子类的继承对象 = new 父类
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+ */
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+ console.log(Person.prototype.constructor)
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+ function Fn1(name,age) {
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+ Person.call(this,name,age);
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+ }
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+ Fn1.prototype = new Person()
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+ Fn1.prototype.constructor = Fn1;
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+ var p2 = new Fn1("小明",90);
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+ console.log(p2);
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+ p2.eat();
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+ </script>
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+ </body>
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+</html>
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