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Maciej Jarczok jmak

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jmak / async-css-preload.html
Created June 27, 2019 09:43
Similar to the media toggle approach, we could also load CSS asynchronously by marking a link as an alternate stylesheet (designed to offer the user alternate presentations of a site), and then using JavaScript to toggle the rel attribute back to stylesheet when the file loads:
<link rel="preload" href="mystyles.css" as="style" onload="this.rel='stylesheet'">
@jmak
jmak / what-forces-layout.md
Created August 7, 2017 06:49 — forked from paulirish/what-forces-layout.md
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.

Element

Box metrics
  • elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent
  • elem.clientLeft, elem.clientTop, elem.clientWidth, elem.clientHeight
  • elem.getClientRects(), elem.getBoundingClientRect()
@jmak
jmak / iOS,-OS-X-Spinner.md
Last active March 9, 2021 18:43
A Pen by Maciej Jarczok.
@jmak
jmak / sass-triangle.sass
Last active December 15, 2015 16:49
SASS triangle
=triangle($direction: right, $size: 10px, $color: #999)
width: 0
height: 0
line-height: 0
border: $size solid transparent
@if $direction == top
border-bottom-color: $color
@else if $direction == right
border-left-color: $color
@else if $direction == bottom