topical media & game development

talk show tell print

basic-javascript-08-ch8-examp1.htm / htm



  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
  "http://www.w3.org/TR/html4/loose.dtd">
  <html>
  <head>
  <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
  <title>Example 1</title>
  <script language="JavaScript" type="text/JavaScript">
  function splitAndReverseText(textAreaControl)
  {
  
     var textToSplit = textAreaControl.value;
     var textArray = textToSplit.split('\n');
     var numberOfParts = 0;
     numberOfParts = textArray.length;
     var reversedString = "";
     var indexCount;
     for (indexCount = numberOfParts - 1; indexCount >= 0; indexCount--)
     {
        reversedString = reversedString + textArray[indexCount];
        if (indexCount > 0)
        {
           reversedString = reversedString + "\n";
        }
     }
  
     textAreaControl.value = reversedString;
  }
  </script>
  </head>
  <body>
  <form name=form1>
  <textarea rows="20" cols="40" name="textarea1" wrap="soft">Line 1
  Line 2
  Line 3
  Line 4</textarea>
  <br>
  <input type="button" value="Reverse Line Order" name="buttonSplit"
     onclick="splitAndReverseText(document.form1.textarea1)">
  </form>
  </body>
  </html>
  


(C) Æliens 20/2/2008

You may not copy or print any of this material without explicit permission of the author or the publisher. In case of other copyright issues, contact the author.