I’m no so sure – with Qooxdoo, once an element is rendered into the DOM,
changes to the widget directly act on the element (via qx.html.Element)
where as Incremental DOM is for templating languages that generate a whole
page worth of new virtual DOM and then have to sync it with the real DOM.
In other words, Qooxdoo is already incremental by nature.
I’m having some performance issues with large numbers of objects (63,000
Qooxdoo objects and 18,000 widgets) so I’d be very interested to know about
any performance improvements you find; my brief look in the profiler so far
as shown that there is a lot of time taken up calculating visual sizes
(Element.getBoundingClientRect, qx.ui.decoration.Decorator._getDefaultInsets
and qx.bom.Label.getHtmlSize).
John
From: Phyo Arkar <phyo.arkarl...@gmail.com>
Reply-To: qooxdoo Development <qooxdoo-devel@lists.sourceforge.net>
Date: Sunday, 12 July 2015 10:35
To: qooxdoo-devel <qooxdoo-devel@lists.sourceforge.net>
Subject: [qooxdoo-devel] What do you guys think of incremental DOM? I think
it will be awesome inside Virtual infrasturcture.
https://github.com/google/incremental-dom
http://google.github.io/incremental-dom/#about
https://medium.com/google-developers/introducing-incremental-dom-e98f79ce2c5
f
Incremental DOM has two main strengths compared to virtual DOM based
approaches:
*
* The incremental nature allows for significantly reduced memory allocation
during render passes, allowing for more predictable perfromance.
*
* It easily maps to template based approaches. Control statements and loops
can be mixed freely with element and attribute declarations.
Google released it as a js lib, i think it will be quite easy to implement
qooxdoo virtual infrasturcture with it.
It will be a lot faster don’t you think? Currently virtual infrasturcture in
virtualist with huge , custom list istems sometimes lags down to 9fps , when
scroll too fast.
I haven’t research fully but if you think it is useful for qx Virtual i want
to work on it.
Regards.
Phyo.
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