Javascript to Fool E-mail Harvesters?

[Stryker]

Hiya folks,

I'm not what you would call "in the know" when it comes to mail harvesters/spam bots. I have just a quick question about prevention...

Would a script like the sample below be effective in stopping harvesters from finding my e-mail address on a site? I'm assuming the harvesters would look through source code to find an e-mail address, and there would not be an e-mail address in the source code where this little script was used. Only rendered on the page once read by the browser.

PHP Code:

<script language="javascript">
    var firstpart   = "myname";
    var secondpart  = "@mydomain";
    var thirdpart   = ".blah";
    var fourthpart  = "Here is the subject too";

    document.write("<a href='mailto:" + firstpart + secondpart + thirdpart + "?subject=" + fourthpart + "'>Send E-mail</a>");
</script> 


DISPLAYED AS BELOW WHEN RENDERED ON PAGE...

Thanks for any feedback,
Stryker

[blue60007]

Well I've heard it can work, but not always, and it may not work with all browsers or if the user turned JS off.

Point is, it should work, but isn't foolproof.

[Stryker]

Originally Posted by blue60007 Well I've heard it can work, but not always, and it may not work with all browsers or if the user turned JS off.

I've checked it with I.E., Firefox, Netscape, Opera and Maxthon. All seem fine, as it's very basic javascript. I plan on using it for now only on the PC Mech Photo Gallery page for a "Submit Your Picture" button. Since the gallery is primarily javascript, if it's disabled the user will have bigger issues than the e-mail link.

[blue60007]

OH! That's a good point, you should be ok with using javascript then.

Like I said, it's probably not foolproof but should be better than just plastering it in plain HTML.

[catacon]

Yeah, that should work. Like blue said, not foolproof, but it'll do the job.