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paulirish /
Last active Jun 1, 2020
What forces layout/reflow. The comprehensive list.

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
dciccale /
Last active May 22, 2018
Cross-browser triggerEvent function done with 127 bytes of JavaScript


Cross-browser function to trigger DOM events.

utsengar / Sync_Async_loading_handlebars.js
Created Apr 2, 2012
synchronous and asynchronous loading of handlebars templates
View Sync_Async_loading_handlebars.js
* This decorates Handlebars.js with the ability to load
* templates from an external source, with light caching.
* To render a template, pass a closure that will receive the
* template as a function parameter, eg,
* T.render('templateName', function(t) {
* $('#somediv').html( t() );
* });
* Source:
jbgo /
Last active Apr 19, 2020
How to recover a git branch you accidentally deleted

UPDATE: A better way! (August 2015)

As pointed out by @johntyree in the comments, using git reflog is easier and more reliable. Thanks for the suggestion!

 $ git reflog
1ed7510 HEAD@{1}: checkout: moving from develop to 1ed7510
3970d09 HEAD@{2}: checkout: moving from b-fix-build to develop
1ed7510 HEAD@{3}: commit: got everything working the way I want
70b3696 HEAD@{4}: commit: upgrade rails, do some refactoring
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