melikhov-dev

const qsort = (arr) => {
	if (arr.length < 2) {
		return arr;
	} else {
    		// Опорная точка для деления массива, выбирается случайно
		const pivotPosition = Math.floor(Math.random() * arr.length);
		const pivot = arr[pivotPosition];
		// Значения меньшие, либо равные опорному 
		// попадают в новый массив less
		const less = arr.filter((value, index) => {

paulirish

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