Re: Problem with Javascript's String::split method in IE

Scott Sauyet wrote:
> I'm having a problem with splitting a string into lines in Javascript.
 > [ ... see http://scott.sauyet.com/Javascript/Issues/LineSplit/ ]

David Gale posted a response that pointed me in the right direction. The 
innerHTML property is changing the source text. When I replaced it with 
childNodes[0].data, I cleaned up the really bizzare behavior. I still 
needed to add another several lines to clear up the fact that IE doesn't 
return the empty tokens in the String:split method, but that was 
relatively straightforward now that this other is working. The new code 
is at:

     http://scott.sauyet.com/Javascript/Issues/LineSplit/3.html

and it looks like this:

     window.onload = function() {
         var element = document.getElementById("test")
         // var text= element.innerHTML;
         var text= element.childNodes[0].data;
         text = text.replace(/(\r\n|\r|\n)(\r\n|\r|\n)/g, "$1 $2");
         var lines = text.split(/\r\n|\r|\n/);
         var s = "";
         for (var i = 0; i < lines.length; i++) {
             if (lines[i] == " ") lines[i] = "";
             s += (i + 1) + ": " + lines[i] + "\n";
         }
         alert(s);
     };
This is not an industrial-strength solution.  I need to do several bits 
of cleaning up.  (There may be more than one text node, for instance, 
and I really should do something slightly more sophisticated so that I'm 
not replacing lines containing only a single space with blank lines.) 
But it works enough to let me proceed.

Thanks for the help, David!

   -- Scott



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