쿠키값 저장,불러오기, 삭제

저장

setCookie("Cookie_lat",lat,1);

setCookie("Cookie_lng",lng,1);

불러오기

getCookie("Cookie_lat")

function setCookie(cName, cValue, cDay){

var expire = new Date();

expire.setDate(expire.getDate() + cDay);

cookies = cName + '=' + escape(cValue) + '; path=/ '; // 한글 깨짐을 막기위해 escape(cValue)를 합니다.

if(typeof cDay != 'undefined') cookies += ';expires=' + expire.toGMTString() + ';';

document.cookie = cookies;

}

// 쿠키 가져오기

function getCookie(cName) {

cName = cName + '=';

var cookieData = document.cookie;

var start = cookieData.indexOf(cName);

var cValue = '';

if(start != -1){

start += cName.length;

var end = cookieData.indexOf(';', start);

if(end == -1)end = cookieData.length;

cValue = cookieData.substring(start, end);

}

return unescape(cValue);

}

삭제 

setCookie("Cookie_lng","",-1);