Dmitri Pyatkov dkrnl

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

	U+0000
	U+0002
	U+000D
	U+0020
	U+0021
	U+0022
	U+0023
	U+0024
	U+0025
	U+0026

	/* eslint global-require: "off" */
	const fs = require('fs');
	const path = require('path');
	const postcss = require('postcss');
	const { URLSearchParams } = require('url');

	const DEBUG = ('DEBUG' in process.env && parseInt(process.env.DEBUG, 10) > 0);
	const PROD = ('NODE_ENV' in process.env && process.env.NODE_ENV === 'production') \|\| process.argv.indexOf('-p') !== -1;
	const { browserslist: BROWSERS } = require('./package.json');

	#!/bin/sh

	REPOS="$1"
	TXN="$2"

	export LANG="ru_RU.UTF-8"

	SVNLOOK=/usr/bin/svnlook
	LOGMSG=$($SVNLOOK log -t "$TXN" "$REPOS" \| wc -m)

	/**
	* Plugin: "clear_button" (selectize.js)
	* Copyright (c) 2015 Dmitri Piatkov & contributors
	*
	* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
	* file except in compliance with the License. You may obtain a copy of the License at:
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software distributed under
	* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF

	#!/usr/bin/env bash

	cd /var/backups/www

	# backup www folders
	for i in `find /www/* -type d -nowarn -maxdepth 0 -exec basename {} \;`;
	do
	tar -cvzf $i.$(date +%F).tgz /www/$i
	done

	#!/bin/sh

	find . -name "*.jpg" -type f -exec jpegtran -verbose -copy none -optimize -outfile {} {} \;

	#!/bin/sh

	find -name '*.png' -print0 \| xargs -0 optipng -o7