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how to save 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');
Comment

js write and get cookie

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

cookie in javascript

// very simple cookie manager class
 class CookieManager {
    static setCookie({ name = "", days = 0, value = "", path = "/" }) {
        let expire = "";
        if (days) {
            const date = new Date();
            date.setTime(date.getTime() + days * 1000 * 60 * 60 * 24);
            expire = date.toUTCString();
        }
        document.cookie = `${name}=${value}; expires=${expire}; path=${path}`;
    }

    static getCookie({ name }) {
        name = name.trim();
        const allCookie = document.cookie;
        const cookieArr = [...allCookie.split(";")];
        for (let i = 0; i < cookieArr.length; i++) {
            let c = cookieArr[i].trim();
            if (c.startsWith(`${name}=`)) return c.split("=")[1];
        }
        return null;
    }

    static removeCookie({ name = "" }) {
        CookieManager.setCookie({ name, days: -1 });
    }

    static checkCookie({ name = "" }) {
        const cookie = CookieManager.getCookie({ name: name });
        if (cookie !== undefined && cookie !== "" && cookie !== null) {
            return true;
        } else {
            return false;
        }
    }
}
//add cokie 
CookieManager.setCookie({name:"hi.cookie",value:"m9yhRuPk7xlCpkEGk8qdx",days:10})
//get Cookie value
CookieManager.getCookie({name:"hi.cookie"}) // return = m9yhRuPk7xlCpkEGk8qdx
//remove cookie 
CookieManager.removeCookie({name:"hi.cookie"}) // noting return
//remove cookie 
CookieManager.checkCookie({name:"hi.cookie"}) // return true or false

Comment

how to create a cookie in javascript

document.cookie = "firstName=Anthony"; 
Comment

javasciprt set cookie

function setCookie(name,value,days) {
    var expires = "";
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days*24*60*60*1000));
        expires = "; expires=" + date.toUTCString();
    }
    document.cookie = name + "=" + (value || "")  + expires + "; path=/";
}
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) return c.substring(nameEQ.length,c.length);
    }
    return null;
}
function eraseCookie(name) {   
    document.cookie = name +'=; Path=/; Expires=Thu, 01 Jan 1970 00:00:01 GMT;';
}
Comment

javascript set cookie

const setCookie = (options) => {
  const {
    name,
    value = '',
    path = '/',
    duration = 3600,
  } = options;
  
  const durationMs = duration * 1000;
  const expires =
    new Date(Date.now() + durationMs);

  document.cookie = 
    `${name}=${escape(value)}; expires=${expires.toUTCString()}; path=${path}`;
}

const getCookie = (name, cast = String) => {
  if (document.cookie.length == 0)
    return;

  const match = document
    .cookie
    .match(`${name}=(?<value>[w]*);?`);

  if (!match)
    return;

  const value =
    match?.groups?.value ?? '';

  return cast(unescape(value));
}

const cookieExists = (name) => {
  return getCookie(name) !== undefined;
}

const deleteCookie = (name) => {
  setCookie({
    name: name,
    value: undefined,
    duration: -1,
  });
}


// Example string
setCookie({ 
  name: 'username',
  value: 'dude',
});

const username = 
  getCookie('username');


// Example number
setCookie({
  name: 'count',
  value: 100,
  duration: 300, // 300s, 5 minutes
});

const count =
  getCookie('count', parseInt);

deleteCookie('count');
Comment

cookie in javascript

javaScript cookiies
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