JAVASCRIPT

how to set/get cookie in JavaScript

<script src="https://cdnjs.cloudflare.com/ajax/libs/js-cookie/3.0.1/js.cookie.min.js"></script>
Cookies.set('cookie_name', 'cookie_value', { expires: 365 });
Cookies.get('cookie_name'); // => 'value'
Cookies.remove('cookie_name');

js write and get cookie

// how to add to cookie
document.cookie = "yourKey=your value"

get cookie in javascript

function getCookie(cookie, name) {
  const q = {}
  cookie?.replace(/s/g, '')
    .split(';')
    .map(i=>i.split('='))
    .forEach(([key, value]) => {
      q[key] = value
    })
  return q[name]??null;
}

set cookie and get cookie in javascript

<script type="text/javascript">
    function setCookie(key, value, expiry) {
        var expires = new Date();
        expires.setTime(expires.getTime() + (expiry * 24 * 60 * 60 * 1000));
        document.cookie = key + '=' + value + ';expires=' + expires.toUTCString();
    }

    function getCookie(key) {
        var keyValue = document.cookie.match('(^|;) ?' + key + '=([^;]*)(;|$)');
        return keyValue ? keyValue[2] : null;
    }

    function eraseCookie(key) {
        var keyValue = getCookie(key);
        setCookie(key, keyValue, '-1');
    }

</script>

how to create a cookie in javascript

document.cookie = "firstName=Anthony"; 

document cookies javascript

cookieData=document.cookie.split("; ");

for(let i=0; i<cookieData.length; i++){

  cookieData[i]=cookieData[i].split("=");
  cookieName=cookieData[i][0];
  cookieValue=cookieData[i][1];

  //write your cookie name which you want to see in the place of 'mobNo'
  if(cookieName==='mobNo'){
    console.log(cookieData[i]);
  }
}