I think it's becacuse you effectively just deleted the <Script tag that includes Puck.js:
<Script
<script src="https://www.puck-js.com/puck.js"> your code
should be
<script src="https://www.puck-js.com/puck.js"></script> <script> your code
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I think it's becacuse you effectively just deleted the
<Script
tag that includes Puck.js:should be