document get cookie

1function setCookie(name,value,days) {
2    var expires = "";
3    if (days) {
4        var date = new Date();
5        date.setTime(date.getTime() + (days*24*60*60*1000));
6        expires = "; expires=" + date.toUTCString();
7    }
8    document.cookie = name + "=" + (value || "")  + expires + "; path=/";
9}
10function getCookie(name) {
11    var nameEQ = name + "=";
12    var ca = document.cookie.split(';');
13    for(var i=0;i < ca.length;i++) {
14        var c = ca[i];
15        while (c.charAt(0)==' ') c = c.substring(1,c.length);
16        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
17    }
18    return null;
19}
20
21setCookie("user_email","bobthegreat@gmail.com",30); //set "user_email" cookie, expires in 30 days
22var userEmail=getCookie("user_email");//"bobthegreat@gmail.com"

1
2function setCookie(cname, cvalue, exdays = 999) {
3  const d = new Date();
4  d.setTime(d.getTime() + exdays * 24 * 60 * 60 * 1000);
5  const expires = 'expires=' + d.toUTCString();
6  document.cookie = cname + '=' + cvalue + ';' + expires + ';path=/';
7}
8
9function getCookie(cname) {
10  const cookies = Object.fromEntries(
11    document.cookie.split(/; /).map(c => {
12      const [key, v] = c.split('=', 2);
13      return [key, decodeURIComponent(v)];
14    }),
15  );
16  return cookies[cname] || '';
17}
18
19setCookie('language', 'vietnam', 365);
20var userEmail = getCookie('language');