How to Extract Price Values Using Google Tag Manager with JavaScript

Discover how to retrieve price values from specific HTML elements in your website using Google Tag Manager. Learn to set up variables effectively!
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Extracting Price as a Variable Using Google Tag Manager

When working with websites, marketers and developers often need to track certain values, such as pricing, to analyze user engagement and conversions. One efficient way to achieve this is by using Google Tag Manager (GTM). In this guide, we will walk you through the process of retrieving a price value from a specific HTML element on a webpage and storing it as a variable in GTM.

The Challenge: Capturing Price Values

Imagine you want to capture a price displayed on your webpage, like $278.45, from an HTML element. Here’s the HTML snippet for the price we want to extract:

[[See Video to Reveal this Text or Code Snippet]]

Problem Overview

The goal is to retrieve the amount $278.45 using Google Tag Manager. There are various ways to do this, but using JavaScript within GTM is one of the most effective methods.

The Solution: Using Custom JavaScript Variables

To successfully retrieve and use the price value, we’ll create a Custom JavaScript variable in Google Tag Manager. Here’s how to implement this step-by-step:

Step 1: Create a Custom JavaScript Variable

Open Google Tag Manager: Log in to your GTM account.

Navigate to Variables: Click on the "Variables" tab on the left sidebar.

Create a New Variable: Click on the "New" button to add a new variable.

Select Variable Type: Choose "Variable Type" as "Custom JavaScript".

Step 2: Write the JavaScript Code

You will need to input a JavaScript function that captures the price value. Here’s the code you should use:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Save Your Variable

Name your variable appropriately, for example, Total Due Value.

Save the changes.

Step 4: Testing Your Variable

To ensure that everything works correctly:

Preview your GTM configuration.

Visit the page containing the price.

Check the GTM debug panel to see if your variable returns the expected value of $278.45.

Additional Tips for Effective Tracking

Use Data Layer: For more complex scenarios or if you need to pass values to third-party tools, consider using GTM's Data Layer features.

Stay Updated: HTML structures may change over time; ensure your selectors correspond to the current structure.

Conclusion

By following these simple steps, you can effectively extract price values from specific page elements using Google Tag Manager. With a little understanding of JavaScript, you can make your GTM setup more robust and tailored to your tracking needs. Now, go ahead and implement this solution on your site!