You can either use raw JS and bind the appropriate event handlers as per this StackOverflow suggestion
] or otherwise consider using GitHub - likerRr/jq-ajax-progress: jQuery plugin that adds support of `progress` promise
] to add the progress support to the existing
Just be aware that in both instances it's dependent on the hosting server to provide the
HTTP header. And also make sure you're not using this with file sizes which are too large as this binary data gets stored in RAM before it's serialized to the content window.