[Dojo-interest] Smart JavaScript Caching

[Rob Kinyon]

We rename the file to some unique number. That way, we -guarantee-
that the file is the one that should be downloaded.

Rob
www.kayuda.com

On 2/9/07, Dylan Schiemann <mail at dylans.org> wrote:
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> Scott,
>
> It's definitely a solid best practice.  We often use the last modified
> timestamp instead of a version number, with the same result.
>
> - -Dylan
>
> Scott O'Reilly wrote:
> > I'm not sure how many of you are using Dojo in production environments,
> > but I wanted to pass along a tip that has saved us a ton of user support
> > headaches.
> >
> >
> >
> > We tell the browser to cache the JavaScript files, but every time we
> > upgrade our web app the old files stay cached and it screws things up.
> > One solution that we've found is to stick the app version number into
> > the file's querystring which forces a fresh download every time the app
> > version number is incremented.
> >
> >
> >
> > |<script type="text/javascript"
> > src="js/dojo/dojo.js?redownloadToken=1.2.17"></script>|
> >
> >
> >
> > We're also doing some interesting stuff when the app is in development
> > mode to force a reload every time and to use an uncompressed version of
> > Dojo for debugging.  The full writeup is here:
> >
> > http://www.spiderstrategies.com/blog/?p=12
> >
> >
> >
> > -Scott
> >
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
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