1. 通过构造函数obj来创建

var obj = new object();

obj.name = "xm";

obj.age = 19;

obj.eat = function(){

}

2. 字面量创建

var obj ={

  name: " xm",

  age: 19,

  eat: function(){}

}

3.工厂函数

function students(name,age){

  var obj ={    

  name: " xm",

  age: 19,

  eat: function(){}

  }

return  obj;

}

var xm =  student("xm",19);

var xh =  student("xh",19);

//  可以批量创建但是类型不明确

 

4. 自定义构造函数创建

 function students(name,age){

  this.name = name;

  this.age = age;
}

var xm = new  student("xm",19);

 

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