prototype javascript library Range example

<script type="text/javascript" charset="utf-8">
 function doc(argument) {
  document.write(argument);
  document.write("<br />\n");
 }
 
 var orf = $R('a', 'g', false);
 doc('orf exclusive is false:')
 orf.each(function (c) {
  doc(c);
 });

 doc('ort exclusive is true:')
 var ort = $R('a', 'g', true);
 ort.each(function (c) {
  doc(c);
 });
 
 doc('orf.include("g") = ' + orf.include('g'));
 doc('ort.include("g") = ' + ort.include('g'));
</script>