Here's the first few hits from Google: https://developers.google.com/speed/articles/reflow https://developers.google.com/speed/articles/reflow https://develop

Here's the first few hits from Google: https://developers.google.com/speed/articles/reflow https://developers.google.com/speed/articles/reflow https://developers.google.com/speed/articles/javascript-dom https://developers.google.com/speed/articles/javascript-dom http://www.stubbornella.org/content/2009/03/27/reflows-repaints-css-performance-making-your-javascript-slow/ http://www.stubbornella.org/content/2009/03/27/reflows-repai...