RE: Event binding/this problem

cheers Scott, I have the following functions I use normally, I just stripped
them out for the example in the email:

they work in firefox for me.

function addClass(e,c)
{
	if (e.className==undefined)
		e.className = c;
	else
		e.className += ' ' + c;
}

function delClass(e,c)
{
	if (e.className!=undefined)
		if (e.className.split(' ').length > 1)
			e.className = e.className.replace(new RegExp(' ' + c + '\\b'), '');
		else
			e.className = e.className.replace(new RegExp(c + '\\b'),'');
}

function hasClass(e,c)
{
	cs = e.className.split(' ');

	for(var i=0; i<cs.length; i++)
		if (cs[i]==c) return true;

	return false;
}




-----Original Message-----
From: [email protected] [mailto:[email protected]]On Behalf
Of Scott Sauyet
Sent: 09 November 2005 16:57
To: [email protected]
Subject: Re: [wdf-dom] Event binding/this problem


Seb Frost wrote:
> thankyou guys, all been very helpful.

To make up for my boneheaded first response (who thinks in global
variables these days?!) I'd like to point out that there might be a
slight problem in Firefox, depending upon whether your element already
has an HTML class.  The attached does not work properly in Firefox.  For
some reason, the node.className += " over" seems to make node.className
into "over" (without the space.)

This will work, though, regardless of whether you have an existing class
name:

     element.className = element.className.replace(/\bover\b/, "");

But I prefer to do it like this:

     element.className = element.className.replaceWord("over", "");

using this:

String.prototype.replaceWord = function(original, replacement) {
     regex = new RegExp("\\b" + original + "\\b");
     return this.replace(regex, replacement);
};

   -- Scott


[Non-text portions of this message have been removed]




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