Farzad Yousefzadeh farskid

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

All github Emoji (Smiles)

ali.md/emoji

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	Promise.race([
	fetch('/foo'),
	new Promise((_, reject) =>
	setTimeout(() => reject(new Error('Timeout')), 7000)
	)
	]);

	/**
	* Takes arguments in the form of --arg-name value and puts them into an object (argMap).
	* Argument keys begin with double hyphens and additional hyphens are converted to camelCase.
	*
	* E.g. `node quick-argument-parser.js --test-arg1 'value1' --test-arg2 'value2'` will create argMap with the value:
	* ```
	* {
	* testArg1: 'value1',
	* testArg2: 'value2'
	* }

	// Test tree with contrived data
	let testTree = {
	value: 1,
	child: [
	{value: 2, child: [
	{value: 7, child: []},
	{value: 8, child: []},
	{value: 9, child: []},
	]},
	{value: 3, child: []},

	/**
	* Sample React Native App
	* https://github.com/facebook/react-native
	*/
	'use strict';

	var React = require('react-native');
	var {
	AppRegistry,
	StyleSheet,

	// Greeter is a class of object that can greet people.
	// It can learn different ways of greeting people through
	// 'Strategies.'
	//
	// This is the Greeter constructor.
	var Greeter = function(strategy) {
	this.strategy = strategy;
	};

	// Greeter provides a greet function that is going to

	# creat a tag (more infos at: http://git-scm.com/book/de/ch2-12.html)
	git tag -a 1.0.0 -m "Version 1.0.0"
	git push origin 1.0.0

	git tag -a 1.0.0.alpha1 -m "Version 1.0.0 alpha1"
	git push origin 1.0.0.alpha1

	# delete a tag
	git tag -d 1.0.0
	git push origin :refs/tags/1.0.0