Run results for: seperate getcookie vs all cookies (with decode)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36 Edg/128.0.0.0

Browser: Chrome 128

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
gc	211140.5 Ops/sec
all	145688.2 Ops/sec

Script Preparation code:

function getCookies(str) {
  str = str || document.cookie;
  var reKey = /(?:^|; )([^=]+?)(?:=([^;]*))?(?:;|$)/g;
  var cookies = {};
  var match;
  var cnt = 0;
  while ((match = reKey.exec(str))) {
    cnt += 1;
    reKey.lastIndex = match.index + match.length - 1;
    var k = match[1];
    var v = decodeURIComponent(match[2]);
    if (!!cookies[k]) {
      if (typeof cookies[k] == "string") {
        cookies[k] = [cookies[k]];
      }
      cookies[k].push(v);
    } else {
      cookies[k] = v;
    }
  }
  !!!cnt && (cookies = undefined);
  return cookies;
}
// make the multiple values of the cookie into a comma delimitted string
function all(str) {
  str || document.cookie;
  let cookies = getCookies(str);
  if (!!cookies) {
    if (!!cookies["BGC_AUT_LVL"]) {
      if (typeof cookies["BGC_AUT_LVL"] !== "string") {
        cookies["BGC_AUT_LVL"] = cookies["BGC_AUT_LVL"].join(",");
      }
    }
  } else {
    cookies = {};
  }
  return cookies;
}

function getCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(";");
  for (var i = 0; i < ca.length; i++) {
    var c = ca[i];
    while (c.charAt(0) == " ") c = c.substring(1, c.length);
    if (c.indexOf(nameEQ) == 0) {
      var d = c.substring(nameEQ.length, c.length);
      d = decodeRFC(d);
      return d;
    }
  }
  return undefined;
}

function decodeRFC(s) {
  s = s + "";
  return s.replace(/\*/gm, "##").replace(/##/gm, ",").replace(/!/gm, " ");
}

document.cookie = "foo=bar+"+performance.now();
document.cookie = "hello=bar+"+performance.now();
document.cookie = "world=bar+"+performance.now();
document.cookie = "foo=bar2+"+performance.now();

Tests:

gc
var cookie1 = getCookie('foo'); var cookie1 = getCookie('hello'); var cookie1 = getCookie('world'); var cookie1 = getCookie('foo');
all
var cookies = all(); var cookie1= cookies['foo']; var cookie2= cookies['hello']; var cookie3= cookies['world']; var cookie4= cookies['foo'];

Run results for: seperate getcookie vs all cookies (with decode)

gc

all