prototype javascript library Object extend example

<script type="text/javascript" charset="utf-8">
 function doc (argument) {
  document.write(argument);
  document.write("<br /><br />\n");
 }

 Object.extend = function(destination, source) {
   for (var property in source) {
     destination[property] = source[property];
   }
   return destination;
 }
 
 var o = {
  test: 'test it',
  sex: 'man',
  info: function () {
   return this.test + " and " + this.sex;
  },
  ivk: function () {
   return this.info.apply(this); // invoke this.info function
  }
 }

 for(var p in Object) {
  doc('Object["' + p + '"] = ' + Object[p]);
 }
 
 doc("=============================================================");
 
 Object.extend(Object, o);
 
 for(var p in Object) {
  doc('Object["' + p + '"] = ' + Object[p]);
 }

 alert(Object.ivk());

</script>