Javascript Get Cookie By Name

javascript get cookie by name: hello friends here, JavaScript can simple create, read, and delete cookies with the document.cookie property with step by step.

Contents

Get Cookie By Name In Javascript

document.cookie = "fkey1 = fvalue1; fkey2 = fvalue2; expires = date";

Get cookie by name
javascript get cookie by name Example

function getCookie(name) {
  const cookie = `; ${document.cookie}`;
  const parts = cookie.split(`; ${name}=`);
  if (parts.length === 2) return parts.pop().split(';').shift();
}

Get a cookie by name in javascript

function getCookie(cookieName) {
  let cookie = {};
  document.cookie.split(';').forEach(function(el) {
    let [key,value] = el.split('=');
    cookie[key.trim()] = value;
  })
  return cookie[cookieName];
}

javascript delete cookie

function deleteCookie(name) {
  document.cookie = name + '=; expires=Thu, 01 Jan 1970 00:00:01 GMT;';
}

javascript create cookie

function setCookie(name,value,days) {
    var expires = "";
    if (days) {
        var creatd_at = new Date();
        creatd_at.setTime(creatd_at.getTime() + (days*24*60*60*1000));
        expires = "; expires=" + creatd_at.toUTCString();
    }
    document.cookie = name + "=" + (value || "")  + expires + "; path=/";
}
function getCookie(name) {
    var vDq_cookies = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
        var ck = ca[i];
        while (ck.charAt(0)==' ') ck = ck.substring(1,ck.length);
        if (ck.indexOf(vDq_cookies) == 0) return ck.substring(vDq_cookies.length,ck.length);
    }
    return null;
}

setCookie("member_email","[email protected]",30); //set "member_email" cookie, expires in 30 days
var memberEmail=getCookie("member_email");//"[email protected]"

document get cookie

function setCookie(cname, cvalue, exdays = 999) {
  const ckd = new Date();
  ckd.setTime(ckd.getTime() + exdays * 24 * 60 * 60 * 1000);
  const expires = 'expires=' + ckd.toUTCString();
  document.cookie = cname + '=' + cvalue + ';' + expires + ';path=/';
}

function getCookie(cname) {
  const cookies = Object.fromEntries(
    document.cookie.split(/; /).map(ck => {
      const [key, v] = ck.split('=', 2);
      return [key, decodeURIComponent(v)];
    }),
  );
  return cookies[cname] || '';
}

setCookie('language', 'vietnam', 365);
var memberEmail = getCookie('language');

For storing array inside cookie : javascript get cookie by name

setter cookies : var data_row = JSON.stringify(arr); cookie.set('mycookie', data_row);
getter cookies : cookie.get('mycookie'); var arr = JSON.parse(data_row);

Don't Miss : Javascript Manage Cookies Setcookie And Getcookie

How to Create Access and Delete Cookies in VueJS

set and get cookie in javascript
Function common for all type of variable :

let cookie = {
            set: function(name, value) {
                document.cookie = name+"="+value;
            },
            get: function(name) {
                let vDq_cookies = name + "=";
                let ca = document.cookie.split(';');
                for( let i = 0; i < ca.length; i++ ) {
                    let ck = ca[i];
                    while (ck.charAt(0)==' ') ck = ck.substring(1,ck.length);
                    if (ck.indexOf(vDq_cookies) == 0) return ck.substring(vDq_cookies.length,ck.length);
                }
                return null;
            }
        }

I hope you get an idea about javascript get cookie by name.
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