* 1. In terms of including it in <script> tags, I don't think that is a good idea for including third party libraries in your code. It would be hard to tell what version of JavaScript a library is using, I think it would be better to allow it to be defined by the library, instead of the user.
That’s why I’ve suggested a new file extension (js2). * 2. In response to "server can set MIME type", a lot of libraries are hosted on systems that don't allow you to change headers, for example Github pages. Plus, there are several JavaScript CDNs out there that also don't let you set MIME type. I’m talking about the “Accept” header, which is set by the client on each request. Browsers that support JS 2 will automatically append “application/javascript.2” to that header. * 3. Not many newer individuals know how to set headers, I don't think I'd be able to set headers on Apache off the top of my head. That’s the base of Web development, but not required on that situation. From: Alexander Craggs [mailto:alexan...@debenclipper.com] Sent: Tuesday, July 25, 2017 3:16 PM To: Sebastian Zartner <sebastianzart...@gmail.com <mailto:sebastianzart...@gmail.com> >; Naveen Chawla <naveen.c...@gmail.com <mailto:naveen.c...@gmail.com> > Cc: es-discuss@mozilla.org <mailto:es-discuss@mozilla.org> Subject: Re: Removal of language features Some thoughts on using MIME types to distinguish between versions: May be biased, suggested a separate method of versioning with the "use es8" deceleration at the top of a file. As a side note, since I made the other thread that seems to be discussing almost the exact same topic as this one (versioning to add breaking changes vs. versioning to remove language features), do people think it would be a good idea to discuss both thoughts solely in this thread (the more popular one?).
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