How do you get the Url Referer via a javascript include?

javascript referrer
puffpio picture puffpio · Jan 28, 2010 · Viewed 46.2k times · Source

If I search for something on google and click on a result (mytestsite.com), the referer to that site will be URL of the google search.

Now on that site, there is a JS file include that is used for tracking purposes..however the referrer to that JS file request is mytestsite.com...is there no way for the server handling the JS request to know that it originated from a google search?

Answer

droo picture droo · Jan 29, 2010

I'm a little unclear on what you are trying to do, but you can grab the referrer with JavaScript using:

document.referrer

...and pass it along to the server in your request for the JS file. Several ways to do this...here's one:

<script>
 var e = document.createElement("script");
 e.src = 'someJSfile.js?referrer='+document.referrer;
 e.type="text/javascript";
 document.getElementsByTagName("head")[0].appendChild(e);
</script>

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