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Snippets/Javascript

02. Javascript snippets - Cookie(쿠키) 읽기, 쓰기, 삭제

by 블리드카가 2017. 6. 5.
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Cookie 쿠키 읽기, 쓰기,  삭제

/**
 * 쿠키 읽기
 * @param name
 * @returns
 */
function readCookie(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;
}

/**
 * 쿠키 쓰기
 * @param name 
 * @param value
 * @param days 날짜
 */
function writeCookie(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=/";
}

/**
 * 쿠키 삭제
 * @param name
 */
function deleteCookie(name) {
    createCookie(name,"",-1);
}
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