It doesn't seem surprising to me. Browsers generally wait until JavaScript
stops running before they reflow anything.
Take a simple jQuery example:
// Assume the body has a lot of HTML in it before these calls:
$('body').empty();
$('body').html( 'Put some long bit of HTML code here' );
This code should result in only a single reflow, not two.
I don't know about the print dialog specifically, but it seems that it
could be a similar situation.
Did you find that a very short timeout value (e.g. 0 or 1) in the
setTimeout() works reliably, or is it unreliable with a short timeout and
you have to use a longer timeout to make it work? If a short timeout makes
it work with complete reliability, then I'd say it's just the deferred
reflow I mentioned. If it only works with some longer timeout value, then
I'd be worried that it will not always work.
-Mike
On Sat, Nov 26, 2011 at 6:02 PM, BlessYAHU <[email protected]> wrote:
>
> I have been trying to get printing from an iframe to work cross
> browser. Iframe content is from an external source (I own the
> external content). The only way I've gotten the entire contents to be
> printed is resize(enlargen) the frame for printing, call up the print
> dialog via print(), and then resize back to it's original size once
> the printing is done. In this solution, I have to put a settimeout
> around the print() function, or the print dialog will show before the
> frame is resized(enlargened). I also have to put a settimeout around
> resizing back to original size.
>
> It seems like the print is happening before the screen reflow is
> called, which is why the settimeout would be needed, but wanted to see
> if this seemed strange to anyone here.
>
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