Insert URL parameters into Javascript code

Question

I'm doing some conversion and revenue tracking using Virtual Website Optimizer. To track revenues, they instruct you to add a piece of Javascript code on the thank you page to determine the actual revenue earned.

<script type="text/javascript">
var _vis_opt_revenue = 0;
//zero should be replaced by the actual revenue figure
</script>

I'm using a Wufoo form and made it so that I can add a URL parameter that totals up their order, so for example if their order has a total of $280 they'll be sent to:

http://mysite.com/thank-you?total=280

I'm wondering: how can I make it so that URL parameter is inserted into the Javascript tracking code from Visual Website Optimizer?

Thanks in advance.

possible duplicate of Get query string values in JavaScript

Felix Kling
– Felix Kling

2012-08-04 10:45:04 +00:00
Commented Aug 4, 2012 at 10:45 — Felix Kling
– Felix Kling, Commented Aug 4, 2012 at 10:45

Community · Accepted Answer · 2017-05-23 10:34:38Z

3

Function taken from here

Add this

function getParameterByName(name)
{
  name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
  var regexS = "[\\?&]" + name + "=([^&#]*)";
  var regex = new RegExp(regexS);
  var results = regex.exec(window.location.search);
  if(results == null)
    return "";
  else
    return decodeURIComponent(results[1].replace(/\+/g, " "));
}

Then change

var _vis_opt_revenue = 0;

to

var _vis_opt_revenue = getParameterByName("total");

edited May 23, 2017 at 10:34

CommunityBot

11 silver badge

answered Aug 4, 2012 at 10:29

Dogbert

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4 Comments

Felix Kling Over a year ago

Should should vote to close the question as duplicate if you can answer it with an existing answer. But I guess you know that...

Dogbert Over a year ago

@FelixKling hmm, I added content which the OP might not know (using the function).

cdotfeli Over a year ago

Thanks, that helped. And yes, it was useful -- I didn't know how to use the function itself. Using document.write it displays the parameter, so this might work.

Neo Over a year ago

this does look right. But is it the only way the value is passed over to the page?

yogi · Accepted Answer · 2012-08-04 10:30:16Z

0

Try this

var _vis_opt_revenue = 
         '$' + window.location.pathname.split('?')[1].split('=')[1];

answered Aug 4, 2012 at 10:30

yogi

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