andreyshr

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andreyshr / gist:de0f60c0fd32af45d102fff0286abec0

Last active May 13, 2021 12:00

Получение размера localStorage

	var getLocalStorageSize = function() {
	var total = 0;
	for (var x in localStorage) {
	// Value is multiplied by 2 due to data being stored in `utf-16` format, which requires twice the space.
	var amount = (localStorage[x].length * 2) / 1024 / 1024;
	if (!isNaN(amount) && localStorage.hasOwnProperty(x)) {
	total += amount;
	}
	}
	return total.toFixed(2);

andreyshr / MediaQueries

Last active September 21, 2018 09:47

MediaQueries

	// media query event handler
	if (matchMedia) {
	const mq = window.matchMedia("(min-width: 500px)");
	mq.addListener(WidthChange);
	WidthChange(mq);
	}

	// media query change
	function WidthChange(mq) {
	if (mq.matches) {

andreyshr / Склонения числительных

Last active September 21, 2018 09:47

numerals

	function declOfNum(number, titles) {
	cases = [2, 0, 1, 1, 1, 2];
	return titles[ (number%100>4 && number%100<20)? 2 : cases[(number%10<5)?number%10:5] ];
	}

	use:
	declOfNum(count, ['найдена', 'найдено', 'найдены']);

andreyshr / getSelectedText()

Last active September 21, 2018 09:48

getSelectedText()

	// функция для получение выделенного текста
	function getSelectedText(){
	var text = "";
	if (window.getSelection) {
	text = window.getSelection();
	}else if (document.getSelection) {
	text = document.getSelection();
	}else if (document.selection) {
	text = document.selection.createRange().text;
	}

andreyshr / horizontalWheelScroll()

Last active August 2, 2018 10:44

horizontalWheelScroll()

	const container = document.querySelector('.scroll-container');
	container.addEventListener('wheel', horizontalWheelScroll);

	function horizontalWheelScroll (event) {
	let modifier;
	if (event.deltaMode === event.DOM_DELTA_PIXEL) {
	modifier = 1;
	// иные режимы возможны в Firefox
	} else if (event.deltaMode === event.DOM_DELTA_LINE) {
	modifier = parseInt(getComputedStyle(this).lineHeight);

andreyshr / formatDigits(str)

Created August 2, 2018 07:43

formatDigits(str)

	function formatDigits(str) {
	return str.toString().replace(/(\d)(?=(\d\d\d)+([^\d]\|$))/g, '$1 ');
	}

andreyshr / sliceText(textNodes, symbols)

Last active August 2, 2018 07:38

sliceText(textNodes, symbols)

	function sliceText(textNodes, symbols) {
	textNodes.forEach(cur => {
	const text = cur.innerText;
	let sliced = text.slice(0,symbols);

	if (sliced.length < text.length) {
	sliced += '...';
	cur.innerText = sliced;
	}
	});

andreyshr / randomNumber(min, max)

Last active August 2, 2018 07:38

randomNumber(min, max)

	function randomNumber(min, max) {
	return min + Math.floor(Math.random() * (max + 1 - min));
	}

andreyshr / bottomButton

Last active September 25, 2017 11:58

bottomButton

	$("#bottom").on("click", function (event) {
	event.preventDefault();
	var id = $(this).attr('href'),
	top = $(id).offset().top;
	$('body,html').animate({
	scrollTop: top
	}, 1200);
	});

andreyshr / visually-hidden

Created September 16, 2017 10:12

visually-hidden

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