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/*! | |
* quantize.js Copyright 2008 Nick Rabinowitz. | |
* Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php | |
*/ | |
// fill out a couple protovis dependencies | |
/*! | |
* Block below copied from Protovis: http://mbostock.github.com/protovis/ | |
* Copyright 2010 Stanford Visualization Group | |
* Licensed under the BSD License: http://www.opensource.org/licenses/bsd-license.php |
All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.
Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.
elem.offsetLeft
,elem.offsetTop
,elem.offsetWidth
,elem.offsetHeight
,elem.offsetParent