To resolve this thread, here's a subsequent post.

I work with the DNN Form and List team, testing and documentation. I'm a DNN Admin user, not a developer. I can't look at the code and deduce what could be the cause of a problem, or engineer a coding solution on my own. I have to rely on a developer to do this.
 
Outside of this forum, I caught-up with Andrew Nurse who mentioned there was likely "stripping code" that was pulling-out the JavaScript and Object elements. He suggested that maybe the stripping code could be safely removed. But because I'm not a developer, its not happening.

But it's good to note here that, by design, the HTML Template Visualizer is stripping the code, and there is no non-coding way around it.

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