makeObject.js

document.addEventListener("DOMContentLoaded", function(event) {
  console.log("DOM fully loaded and parsed");

});

function copyConstructor(obj) {
  for(var key in obj) {
    this[key] = obj[key];
  }
}

function makeObject(obj, healthObj) {
  obj.prototype = healthObj;

  copyConstructor.prototype = healthObj;
  return new copyConstructor(obj);
}

var healthObj = {
  showHealth : function() {
    console.log(this.name);
  },
  getDeeper : function() {
    console.log(this.something.more);
  }
}
var myHealth = makeObject({
    name : "나야나~~",
    lastTime : "23:10",
    something : {more : "deeper"}
}, healthObj);

console.log(myHealth);
myHealth.showHealth();
myHealth.getDeeper();