W3C home > Mailing lists > Public > public-webapps@w3.org > January to March 2015

Re: do not deprecate synchronous XMLHttpRequest

From: Florian Bösch <pyalot@gmail.com>
Date: Fri, 6 Feb 2015 16:54:01 +0100
Message-ID: <CAOK8ODgPbiLku41fMz4Bk+TqFQ+_3H=_wS98wF-j9dQ3OCweEQ@mail.gmail.com>
To: Michaela Merz <michaela.merz@hermetos.com>
Cc: Gregg Tracton <tracton@gmail.com>, Webapps WG <public-webapps@w3.org>
> I had an Android device, but now I have an iPhone. In addition to the
> popup problem, and the fake "X" on ads, the iPhone browsers (Safari,
> Chrome, Opera) will start to show a site, then they will lock up for 10-30
> seconds before finally becoming responsive.

Via. Ask Slashdot:

Note: Starting with Gecko 30.0 (Firefox 30.0 / Thunderbird 30.0 / SeaMonkey
> 2.27), synchronous requests on the main thread have been deprecated due to
> the negative effects to the user experience.


Heads up! The XMLHttpRequest2 spec was recently changed to prohibit sending
> a synchronous request whenxhr.responseType is set. The idea behind the
> change is to help mitigate further usage of synchronous xhrs wherever
> possible.

Via http://updates.html5rocks.com/2012/01/Getting-Rid-of-Synchronous-XHRs
Received on Friday, 6 February 2015 15:54:29 UTC

This archive was generated by hypermail 2.4.0 : Friday, 17 January 2020 18:14:43 UTC