Node.js - use of module.exports as a constructor

Question

According to the Node.js manual:

If you want the root of your module\'s export to be a function (such as a constructor) or if you want to export a c

Answer 1

The example code is:

in main

square(width,function (data)
{
   console.log(data.squareVal);
});

using the following may works

exports.square = function(width,callback)
{
     var aa = new Object();
     callback(aa.squareVal = width * width);    
}