https://ecbb.co.jp/js/map_ontouch.js

1(function (window, $, undefined) {
2	var _interval = ('ontouchstart' in document) ? 500 : 500;
3	var _release = null;
4	$('.target').on('pointerdown pointermove pointerup touchstart touchend touchmove mouseenter mouseleave',function(e){
5		var $self = $(this);
6		if(!$self.hasClass('release')){
7			if( e.type=='mouseleave' || _release && (e.type.indexOf('touch') != -1 || e.type.indexOf('point') != -1 ) ){
8					clearTimeout(_release);
9			}
10			if( e.type=='mouseenter' || e.type=='touchstart' || e.type=='pointerdown' ){
11				_release = setTimeout(function(){
12					$self.addClass('release');
13				}, _interval );
14			}
15		}
16	});
17}(this, jQuery));