Collection of simple helper functions.

clone.js

function clone(object) {
  switch (getObjectType(object)){ 
  case 'Object':
    object = Object.keys(object).reduce(function(obj, key) {
      obj[key] = clone(object[key]);
      
      return obj;
    }, {});
    break;
  case 'Array':
    object = object.map(function (value) {
      return clone(value);
    });
    break;
  case 'Date':
    object = new Date(object);
    break;
  case 'RegExp':
    object = new RegExp(object);
    break;
  }
  
  return object;
}

getObjectType.js

function getObjType(obj) {
  return Object.prototype.toString.call(obj).slice(8,-1);
}

merge.js

function merge() {
  var objects = Array.prototype.slice.call(arguments, 0).reverse();

  return objects.reduce(function (seedObj, object) {
    return Object.keys(seedObj).concat(Object.keys(object)).reduce(function (tempObj, key) {
      tempObj[key] = seedObj.hasOwnProperty(key) ? seedObj[key] : object[key];

      return tempObj;
    }, {});
  }, objects.shift());
}

objectIsType.js

function objectIsType(obj, type) {
  return (getObjType(obj) === type);
}