Cross Browser Compatability

[rachelnicole]

MDN: Build a cross browser extension

as of dec 2021
Chrome and Firefox have different browser namespaces and asynchronous event handling. You can address this by utilizing the WebExtension browser API Polyfill and writing your code according to firefox standards.

The only caveat is that W3C extension group is working with browser vendors to make it easier for v3, which isn't done yet.

Though since this has so little lines of code it wouldn't be hard at all to make it compatible for the current ecosystem, and then adapt it once v3 is GA