jQuery is a fast, small, and feature-rich JavaScript library that many Shopify apps and themes rely on to function correctly.
Follow the steps below to install jQuery on your store

In your Store Admin navigate to Sales Channels > Online Store > Themes On the Themes page.
Click the three dots on the Current theme and select ‘Edit code’ as shown below.

Insert the following code into your theme.liquid immediately above content_for_header as shown below and click “Save”.
<script src=”https://code.jquery.com/jquery-3.6.4.min.js” integrity=”sha256-oP6HI9z1XaZNBrJURtCoUT5SUnxFr8s3BzRl+cbzUq8=” crossorigin=”anonymous”></script>

If you require any help or support please email us at support@trackingli.com