GTM JavaScript macros

When creating an advanced GTM container for your websites, JavaScript macros are almost unforgettable. On this page, you’ll find all the macros summed up which helped me in my projects. Every macro has a use case summarized and also a swift instruction how you can use it.

I’ve just published my website, so if you can’t find the macro which you need, feel free to request it through this form.

• Divide value by number
• Get a specific variable from an array of objects
• Get a specific variable from an array of objects and convert to string
• Time spent on page
• Referrer information
• Form field value
• Capture UTM parameters
• Tag – Capture UTM parameters and save them into separate cookies