Most websites could work without JS but they would be in a degraded form. You need JS when you want a select to change the fields displayed on the form. You nee

Most websites could work without JS but they would be in a degraded form. You need JS when you want a select to change the fields displayed on the form. You need JS when you want to make the list resortable by drag and drop. You need JS when you want a page with a list to not reload every time you press delete on an item. Sure you could make it work with JS but you would be degrading the user experience for no reason at all.