https://blesk-straz.ru/assets/site/s3/js/cookie.js

1function createCookie(name,value,days,options = {})
2{
3	if (days)
4	{
5		var date = new Date();
6		date.setTime(date.getTime()+(days*24*60*60*1000));
7		var expires = "; expires="+date.toGMTString();
8	}
9	else var expires = "";
10  var updatedCookie = name+"="+encodeURIComponent(value)+expires+"; path=/";
11
12  for (let optionKey in options) {
13    updatedCookie += "; " + optionKey;
14    let optionValue = options[optionKey];
15    if (optionValue !== true) {
16      updatedCookie += "=" + optionValue;
17    }
18  }
19	document.cookie = updatedCookie;
20}
21
22function readCookie(name)
23{
24	var nameEQ = name + "=";
25	var ca = document.cookie.split(';');
26	for(var i=0;i < ca.length;i++)
27	{
28		var c = ca[i];
29		while (c.charAt(0)==' ') c = c.substring(1,c.length);
30		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
31	}
32	return null;
33}
34
35function eraseCookie(name)
36{
37	createCookie(name,"",-1);
38}