Public sector work makes these things a requirement, it doesn't have to work on IE, but it helps a lot if it does because lots of law firms have only got IE. JS

Public sector work makes these things a requirement, it doesn't have to work on IE, but it helps a lot if it does because lots of law firms have only got IE. JS is the same, we don't add in JS unless it's necessary, but there has to be a no-JS fallback option, which can be less pretty but still needs to be functional.