|
<script> | |
| -------- | ------------------------------------------ |
| | function Preson() { |
| | this.foot = 2; |
| | this.head = 1; |
| | } |
| | Preson.prototype.han = function () { |
| | return '我是Preson的函数' |
| | } |
| | |
| | function Student(name, age) { |
| | this.name = name; |
| | this.age = age; |
| | } |
| | Student.prototype = new Preson(); |
| | console.log(Student.prototype.constructor) |
| | Student.prototype.constructor = Student; |
| | console.log(Student.prototype.constructor) |
| | let xue = new Student("王小明", 18) |
| | console.log(xue.name) |
| | console.log(xue.foot) |
| | console.log(xue.han()) |
| | </script>
