Ordinarily you would see the .js file keyed by a hash in the filename (e.g. script.abcdef.js) and th
Ordinarily you would see the .js file keyed by a hash in the filename (e.g. script.abcdef.js) and then the html page specifies which one to load, so when you purge cache it updates the html page to point to the new js but the old js stays around for those on the old html
