AlexKardone’s gists

AlexKardone / gist:444711126065d79dba0abd323184661a

Created June 25, 2021 08:07

Check is Object

return obj !== null && typeof obj === 'object' && !Array.isArray(obj);

AlexKardone / gist:4bfd2daad6105b2b362f9a5901fc61cd

Created June 25, 2021 07:30

Check is object

	function isObject(obj) {
	return obj?.constructor.name === 'Object';
	}

AlexKardone / Calculate the angle of shooting

Created August 26, 2019 14:14

Calculate the angle of shooting

	shapes.point.x = shapes.point.x + shapes.point.velocity * Math.cos(angle / 180 * Math.PI);
	shapes.point.y = shapes.point.y + shapes.point.velocity * Math.sin(angle / 180 * Math.PI);

AlexKardone / Check overlap between two rectangles

Last active July 31, 2019 17:21

Check overlap between two rectangles

	var checkCollisions = function(rect1, rect2) {
	var xOverlap = Math.abs(rect1.x - rect2.x) <= Math.max(rect1.width, rect2.width);
	var yOverlap = Math.abs(rect1.y - rect2.y) <= Math.max(rect1.height, rect2.height);
	return xOverlap && yOverlap;
	}

AlexKardone / Phone field mask

Created May 24, 2019 13:49

Phone field mask

AlexKardone / Get the document height

Created May 23, 2019 08:39

Get the document width/height

	var ua = navigator.userAgent.toLowerCase();
	var isOpera = (ua.indexOf('opera') > -1);
	var isIE = (!isOpera && ua.indexOf('msie') > -1);

	function getDocumentHeight() {
	return Math.max(document.compatMode != 'CSS1Compat' ? document.body.scrollHeight : document.documentElement.scrollHeight, getViewportHeight());
	}

	function getViewportHeight() {
	return ((document.compatMode \|\| isIE) && !isOpera) ? (document.compatMode == 'CSS1Compat') ? document.documentElement.clientHeight : document.body.clientHeight : (document.parentWindow \|\| document.defaultView).innerHeight;

AlexKardone / Drag&Drop an element in the page

Created May 7, 2019 05:27

Drag&Drop an element in the page

	'use strict';
	var setup = document.querySelector('.setup');
	var dialogHandler = setup.querySelector('.setup-user input');

	dialogHandler.addEventListener('mousedown', function(evt) {
	evt.preventDefault();

	var startCoords = {
	x: evt.clientX,
	y: evt.clientY

Created May 7, 2019 05:25

Open and close a popup on the page

	'use strict';

	var ESC_KEYCODE = 27;
	var ENTER_KEYCODE = 13;

	// Нажатие на элемент .setup-open удаляет класс hidden
	// у блока setup. Нажатие на элемент .setup-close, расположенный
	// внутри блока setup возвращает ему класс hidden.
	var setup = document.querySelector('.setup');
	var setupOpen = document.querySelector('.setup-open');

AlexKardone / Close popup when click outside it

Created April 28, 2019 07:47

Close popup when click outside it

AlexKardone / gist:fe7d6bea46863538a68b0b8690beaeb8

Created December 8, 2018 20:04

Hide element after tap outside an element (for Iphone)

	$('html').on('touchstart', function(e) {
	$('.navbar-flyout').hide();
	})
	$(".navbar-flyout").on('touchstart',function(e) {
	e.stopPropagation();
	});

	// http://qaru.site/questions/1412280/javascript-jquery-tap-outside-an-element-on-an-iphone

	// get the container of the popup window
	var wind = setup.querySelector('.popup-window');

	var closePopup = function() {
	setup.classList.add('hidden');
	};

	document.body.addEventListener('click', function(evt) {
	if (!wind.contains(evt.target)) {
	closePopup();

Alexander Matskevich AlexKardone