请老师检查代码
来源:3-3 编程练习
听的说
2022-01-20 11:55:09
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
/*
function Person(name, age) {
this.name = name;
this.age = age;
this.say = function() {
console.log(this.name, this.age)
}
}
Person.prototype.run = function() {
console.log("run")
}
Person.intro = "this is a Person class"
Person.show = function() {
console.log('show')
}
*/
class Person{
constructor(name,age){
this.name=name;
this.age=age;
}
say(){
console.log(this.name,this.age);
}
static run(){
console.log('run');
}
intro='this is a Person class';
show=function(){
console.log('show')
}
}
</script>
</body>
</html>1回答
同学你好,代码问题如下:
1、say方法是在实例上的,所以需要加在constructor方法中
2、run是原型上的,前面不需要加static
3、intro和show是方法上的,所以class写法也就是类上的,前面需要加static
参考:

祝学习愉快!