// Set items to an array (object) of strings
  var items = new Array( "one", "two", "three" );
  
  // Set itemsRef to a reference to items
  var itemsRef = items;
  
  // Set items to equal a new object
  items = new Array( "new", "array" );
  
  // items and itemsRef now point to different objects.
  // items points to new Array( "new", "array" )
  // itemsRef points to new Array( "one", "two", "three" )
  alert( items != itemsRef );