Kuitos kuitos

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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()

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>github</title>
	</head>
	<body>

	<script src="https://unpkg.com/[email protected]/lodash.js"></script>
	<script type="module">

	<!--
	Created by Kuitos on 2015/03/06 10:15 AM.
	Email: [email protected]
	author: EdwardCTaylor
	author: Kuitos
	Licence: MIT
	-->
	<!DOCTYPE html>
	<html>
	<head>

	<div>
	<a href="{{protocol}}//{{host}}{{pathname}}">{{protocol}}//{{host}}{{pathname}}</a>
	</div>

	<script>

	function Template(node) {

	var prototype = document.createDocumentFragment();
	prototype.appendChild(node);