How can I utilize JavaScript to generate a dynamic value in a URL and then submit it through a form?

One of my clients has requested the ability to send out unique URLs to their customers in order to track which links are being utilized. Despite my suggestion to use Google Analytics for this purpose, they have specifically asked to avoid it.

Their request involves sending a URL to customers like this:

They want to capture that cookie and establish it. Then, when the contact form is submitted, they would like to include the link name with the form submission to indicate which links are directing traffic to their site.

I've been informed that this is achievable, however, I lack the necessary knowledge of custom javascript or cookie expertise... =/

javascript

Answer №1

In order to extract parameter values from the URL, you can utilize the location.search method. First, access the search string using this method and then pinpoint the specific parameter value within it. Once you have obtained the desired value, store it in a hidden text field or any other designated location.

if (location.search){ 
  var search = location.search.substr(1).split("&"), 
      url = search.split("=")[1];
  document.getElementById('hiddenInput').value = url;
}

It is important to note that the code above assumes that the URL value is the first parameter in the search query. If this is not the case, the code may not function as intended. To address this issue, you can modify the code to verify that search.split("=")[0]==="url" or enhance it by creating an object to manage all search parameters using key-value pairs.

Answer №2

Yes, utilizing Google Analytics would simplify this process significantly, especially if there was a designated page to track clicks on a specific link.

If Google Analytics is not an option, you could extract GET variable values using a PHP or ASP script and manage them that way, or rely solely on JavaScript for handling cookies.

Here are some resources for implementing JavaScript:

JavaScript cookies: (Check out W3C School's article on JavaScript cookie handling)

Extracting GET values with JavaScript:

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