Failed installation, from CDN

I followed the installation instructions carefully (this site, using CDN), but the following HTML still fails and generate these error messages.

Uncaught TypeError: Failed to resolve module specifier “three”. Relative references must start with either “/”, “./”, or “…/”.

I wonder why … How to solve it? Please help.

either use r136- or figure out import maps.

related Change of import in r137 - unusable examples