25929 2014-05-30 21:31:49 +0000 In the step 8, spec talks about queuing a task for firing pageshow event. However no popular desktop browsers including Chrome(v35), Firefox(v30) and IE(v11) behaves that way. 2014-09-19 23:40:18 +0000 1 1 1 Unclassified WHATWG HTML unspecified Other other RESOLVED WONTFIX http://www.whatwg.org/specs/web-apps/current-work/#the-end P3 normal Unsorted 1 contributor ian ian mahesh.kk mike zcorpan contributor oldest_to_newest 107061 0 contributor 2014-05-30 21:31:49 +0000 Specification: http://www.whatwg.org/specs/web-apps/current-work/ Multipage: http://www.whatwg.org/C#the-end Complete: http://www.whatwg.org/c#the-end Referrer: Comment: In the step 8, spec talks about queuing a task for firing pageshow event. However no popular desktop browsers including Chrome(v35), Firefox(v30) and IE(v11) behaves that way. All desktop browsers when tested thoroughly with multiple iframes, fires pageshow event along with onload event synchronously. You can find the screenshots of the same at https://code.google.com/p/chromium/issues/detail?id=378946. Similar behavior is also documented at 7.6.10 History traversal, step #14. I request to consider updating spec to match browser behavior. Posted from: 209.49.249.158 User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.114 Safari/537.36 107064 1 ian 2014-05-30 21:50:12 +0000 Can you elaborate on your testing? How do you distinguish between the load and pageload events being fired in the same task vs being fired in separate tasks queued back-to-back on the same task source? 107115 2 zcorpan 2014-06-02 09:22:42 +0000 I didn't file this, but relatedly annevk asked how to distinguish that for XHR the other day: # [14:55] <zcorpan> annevk: like load() a video in the first event and check the networkState in the second event # [14:56] <zcorpan> annevk: if it's NETWORK_NO_SOURCE then they were the same task, if it's NETWORK_EMPTY then they were separate tasks # [14:56] <zcorpan> for a <video> without src or source http://krijnhoetmer.nl/irc-logs/whatwg/20140520 107135 3 1484 mahesh.kk 2014-06-02 16:09:06 +0000 Created attachment 1484 load/pageshow example 107136 4 mahesh.kk 2014-06-02 16:10:11 +0000 Ian, attached is the testcase I used. Though through HTML output it may not be evident that both load and pageshow events where dispatched within same task or not, however as developer on chrome browser, while I was stepping in the code I could see we indeed fire these events in same thread in chrome (atleast) IFAIK. Attached test loads a page with iframe, iframe onpageshow navigates to another page, which onpageshow navigates to on more new page. All events associated to Main frame and 3 subframes triggers load and pageshow synchronously. In chrome, I tried to queue a task for onpageshow and I noticed pageshow was triggered after onload events for main frame and subframes are triggered. 109966 5 ian 2014-08-05 21:49:07 +0000 That test is far too complicated for me to be able to determine what's going on. Based on this test: http://software.hixie.ch/utilities/js/live-dom-viewer/?saved=3099 ...it seems to me that Safari and Chrome are firing new tasks for load and pageshow, but Firefox is using the same task for both. (In the case of Safari, you have to load the test file as a data: URL in its own window; iframes don't seem to get pageshow.) Anyone have a way to find out what IE does on that test? 111441 6 ian 2014-09-12 16:43:15 +0000 IE11 gives same task / same task, which means its media handling is quite buggy. So it doesn't contribute here. That leaves Firefox alone in not following the spec, against two browsers that do, so I guess I should leave the spec as-is. Unless someone can show that IE is in fact using new tasks for each, I'll mark this WONTFIX. 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