1  <HTML>
  2  <HEAD>
  3  <TITLE>JavaScript Example:  do-while-loop</TITLE> 
  4  </HEAD> 
  5  
  6  <BODY BGCOLOR="#FFFFFF">
  7  
  8  <SCRIPT LANGUAGE="JavaScript">
  9  <!-- hide script from old browsers
 10  
 11  var URL;
 12  do {
 13    URL = window.prompt( "Type in a URL:", "" );
 14  } while ( URL == "" );
 15  
 16  if ( URL != null ) window.location = URL;
 17  document.write( "<H1>Reload this page and try again!</H1>" );
 18  
 19  // end script hiding -->
 20  </SCRIPT>
 21  
 22  </BODY>
 23  </HTML>