>I hope they have server side checks as well because this enhancement comes at a cost of state management that isn't guaranteed to happen if JS is the only barr

>I hope they have server side checks as well because this enhancement comes at a cost of state management that isn't guaranteed to happen if JS is the only barrier to reconciling incompatible selections. GOV.UK are pretty good when it comes to this stuff and focusing on progressive enhancement.[0] [0] https://www.gov.uk/service-manual/technology/using-progressive-enhancement https://www.gov.uk/service-manual/technology/using-progressi...