Live Demo: second largest in array javascript

<script>
  var array = [5 , 60, 1, 56, 24, 6, 9, 38];
  var largest=array[0];
  var Second_largest=array[0];
  var size=array.length;
  for(i=1;i<size;i++)
  {
     if(array[i]>largest){
	   Second_largest=largest;
       largest=array[i];
	 }
	else if(array[i]>Second_largest && array[i]!=largest){
	    Second_largest=array[i];
	}
  }
  document.write(Second_largest+" is second Largest number in an array");
</script>