How to define the external properties of the creation of JavaScript objects (based on existing objects to extend their properties and methods)

var New  = "Luogk"=function() {    alert (this this. age);   This represents the object that is called the person object }person.say ();

Because there is no class in JS, objects can be created directly from object.

Cons: Because there is no class constraint that can not implement object reuse, and there is no convention, the operation will cause problems.

This method is not able to transfer in the network, the most convenient way to transfer in the network is to pass the string.

How do I use strings to convert to objects?

1) XML (most of the data passed is a label, but the actual data consumption is very small);

2) JSON (higher delivery efficiency, recommended)

How to define the external properties of the creation of JavaScript objects (based on existing objects to extend their properties and methods)