There are potyfills for this for example here https://www.npmjs.com/package/date-input-polyfill https://www.npmjs.com/package/date-input-polyfill Not sure why

There are potyfills for this for example here https://www.npmjs.com/package/date-input-polyfill https://www.npmjs.com/package/date-input-polyfill Not sure why Firefox doesn't support it.