heiswayi

END-USER LICENSE AGREEMENT

This End-User License Agreement (EULA) is a legal agreement between you (either as an individual or on behalf of an entity) and [[AUTHOR]] regarding your use of [[APPNAME]]'s desktop applications, and associated documentation (the "Software"). IF YOU DO NOT AGREE TO ALL OF THE TERMS OF THIS EULA, DO NOT INSTALL, USE OR COPY THE SOFTWARE.

Summary

• You must agree to all of the terms of this EULA to use this Software.
• If so, you may use the Software for free and for any lawful purpose.
• This Software automatically communicates with its server for three reasons: (1) to receive and install updates; (2) to send error reports; and (3) to send anonymized usage information. You can view sample data to see what information is sent, and you may opt out of sending the anonymized usage data.
• This Software is provided "as-is" with no warranties, and you agree that [[AUTHOR]] is not liable for anything you do with it.

paulirish

What forces layout / reflow

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.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent