Using a Do/While Loop to Reverse a Text String : While : Language Basics JAVASCRIPT DHTML TUTORIALS

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Using a Do/While Loop to Reverse a Text String



<HTML>
<BODY>
<H1>
<SCRIPT> 
      var newString = ""; 
      var theString = "string"; 
      var counter = theString.length; 
      do 
      { 
        newString += theString.substring(counter-1, counter); 
        counter--; 
      } 
      while (counter > 0 ); 
      document.write(theString + " reversed is " + newString + "!"); 
   </SCRIPT>
</H1>
</BODY>
</HTML>