Pretty sure that also works in Chromium - it uses an older API that is only accessible to Web apps. Not sure how long the Web Store will stick around as Google keep threatening to kill it, but I know it does work on raspberry pi.
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.
You could just install the Chrome web app version: https://chrome.google.com/webstore/detail/espruino-web-ide/bleoifhkdalbjfbobjackfdifdneehpo
Pretty sure that also works in Chromium - it uses an older API that is only accessible to Web apps. Not sure how long the Web Store will stick around as Google keep threatening to kill it, but I know it does work on raspberry pi.