On Thu, Feb 14, 2013 at 4:23 PM, Robert O'Callahan <rob...@ocallahan.org>wrote:
> 2) Harder: performance of synchronous layout, e.g.
> for (var i = 0; i < 100000; ++i) {
> element.setAttribute("style", "width:" + i + "px");
> element.getBoundingClientRect().width;
> }
>
All that matters here is that you modify the DOM in a way that dirties
layout, and then flush layout to get a result. So you could simplify this
by making 'element' an <img> and setting element.width = i.
Rob
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