On 02/12/2016 02:33 AM, Otis Rothenberger wrote:
> It turns out that there is a JQuery solution to the Safari back/forward
> browser cache issue:
>
> $(window).bind("pageshow", function(event) {
> if (event.originalEvent.persisted) {
> window.location.reload()
> }
> });
>
> http://stackoverflow.com/questions/8788802/prevent-safari-loading-from-cache-when-back-button-is-clicked
>
> This only brings Safari to FF/Chrome behavior - i.e. page default reload on
> back button.
>
> I really need to put some time in dealing with the local storage saved state
> restore issues rather than just saved molfile re-load. It would be nice to be
> able to restore state with this approach after back button or return from a
> subsequent page.
>
I found another workaround at
"http://stackoverflow.com/questions/12381563/how-to-stop-browser-back-button-using-javascript";.
Instead of fixing the page reload it prevents going back in history.
Generally you shouldn't do this. But if you are in a Javascript
application like JSmol I think it would be more annoying for a user to
loose the work done than not to be able to go back.
It doesn't solve the problem of going into the 'forward' direction. But
if all links in the page are set to be opened in a new window/tab it
should at least be difficult to go somewhere else accidentally.
------- HTML/Javascript -------------------------
<script>
history.pushState(null, document.title, location.href);
window.addEventListener('popstate', function (event)
{
history.pushState(null, document.title, location.href);
});
</script>
-------------------------------------------------
I have tested it only in Firefox 43.0.4 and Chromium 31.0 on Linux yet.
But there it works nicely. Javascript variables retain there content and
JSmol keeps it's current state. And in comparison to other similar
solutions within the URL above, a manual page reload still works.
Regards,
Rolf
--
Rolf Huehne
Postdoc
Leibniz Institute on Aging - Fritz Lipmann Institute (FLI)
Beutenbergstrasse 11
07745 Jena, Germany
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