编辑代码

class Student
{
	constructor(name,age,classID)
	{
		this._name=name;
		this._age=age;
		this._classID = classID;
	}
}
var student = new Student("zhangsan",20,"19406101");
console.log("学生的姓名:"+student._name+"学生年龄"+student._age+"学生学号"+student._classID);