A copy of the JavaScript functions in the head element:

// sample-9-5-object-constructor-functions.js
// NONE - this file is empty
      

A copy of the JavaScript in the body element:

// sample-9-5-object-constructor.js
// Object constructor sample
var one_off_craft = new Object();
one_off_craft.wingspan = 30;
one_off_craft.fin_length = 2;
one_off_craft.size = function() { return this.wingspan * this.fin_length; }

document.write("size: ", one_off_craft.size() );