[imps] Question about body.onload

xuzheng_yahoo xz911jp at yahoo.co.jp
Tue Feb 23 13:46:50 PST 2010

Dear Kesteren

Thans a lot for your reply.
I have confirmed the link in following mail.

I were reading the load event at following URL
herer is a link of onload to following Media Source.

However, I found that the link of following page is unavialable.

Thank you again for the explanation.


Anne van Kesteren さんは書きました:
> On Tue, 16 Feb 2010 15:25:29 +0100, xuzheng_yahoo 
> <xz911jp at yahoo.co.jp> wrote:
>> I have question about when should user agent fire the body.onload event.
>> Would you like give me some answer or hint?
>> 1. When should body.onload event fired.
>> I have investigated in HTML5 and find following description in "4.8.7 
>> The video element".
>> "The user agent finishes fetching the entire media resource"
>> Is this the definition of body.onload?
> No.
> The load event is dispatched after parsing, when nothing in the 
> document "delays the load event". See:
> http://www.whatwg.org/specs/web-apps/current-work/multipage/the-end.html#the-end 
>> Based on the above definition, I think that body.onload should be fired
>> when whole data be complete fetched from network.
>> (For example, should be fired before fetched image data is
>> complete decoded.)
>> Am I correct?
> It may be fired before, but dimensions have to be known.
>> 2. If body.onload is defined as above, why "delay the load event" is 
>> defined again?
> You were not looking at the body load event.
>> 3. What element may "delay the load event"?
>>    What (type of) elements may (should) "delay the load event" 
>> supposed by HTML5?
> If you click on the definition in
> http://www.whatwg.org/specs/web-apps/current-work/#delay-the-load-event
> it should give you a list with everything that references it.

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