Cookie for 24 hours

cookie24hours.js

// add a cookie for 24 hours
function writeCookie(key, value, hours) {
    var date = new Date();
    date.setTime(+ date + (hours * 3600000));
    window.document.cookie = key + "=" + value + "; expires=" + date + "; path=/";
    return value;
};

writeCookie("cookie_name", "1", 24);

// check if cookie exists
const cookieExists = getCookie('cookie_name');

if (!cookieExists == != "") {
  console.log('cookie is exists')
}else{
  console.log('cookie is exists')
}