07.30 JavaScript--js Three ways to create objects

1. The first way to create an object: first define the class and then create the object

The first way to create an object: first define the class and then create the object
function Stu (Sno, name, age) {
This.sno = Sno;
THIS.name = name;
This.age = age;
This.study = function () {
Alert ("+this.sno+" student, named "+this.name+", is studying hard, age is "+this.age");
}
}

var a = new Stu (1, ' Wang ', 23);
A.study ();

2. Second way to create objects: Use object timing to create objects

// second way to create objects: Use object timing to create objects            var New Object ();             = 1;             = "Wang";             = all;             function () {                alert ("sno+" + this.), the name is "+ this. name+", is studying hard, the age of "+ this  . Age);            }                        Obj.study ();             Delete Obj.name;            Obj.study ();

3. Third Way to create objects: creating objects using JSON syntax

Json:javascript Object Notation

Third Way to create objects: using JSON syntax to create objects
var stu = {                "sno": 1,                "name": "Wang"                 ,                "age":  function() {                    alert ("sno+" + this.), the name is "+ this. name+", is studying hard, age is " +this. age);}            }                        Stu.study ();

07.30 JavaScript--js Three ways to create objects