原生JS设置、删除、获取Cookie
<script>
/*
* 设定Cookie值
*/
function setCookie(cookieName, value, msToExpire, path, domain, isSecure) {
var expiryDate;
// 相对到期时间（以毫秒为单位）
if (msToExpire) {
expiryDate = new Date();
expiryDate.setTime(expiryDate.getTime() + msToExpire);
}
document.cookie = cookieName + '=' + window.encodeURIComponent(value) +
(msToExpire ? ';expires=' + expiryDate.toGMTString() : '') +
';path=' + (path || '/') +
(domain ? ';domain=' + domain : '') +
(isSecure ? ';secure' : '');
}
/*
* 获取Cookie值
*/
function getCookie(cookieName) {
var cookiePattern = new RegExp('(^|;)[ ]*' + cookieName + '=([^;]*)'),
cookieMatch = cookiePattern.exec(document.cookie);
return cookieMatch ? window.decodeURIComponent(cookieMatch[2]) : 0;
}
/*
* 删除Cookie值
*/
function deleteCookie(cookieName, path, domain) {
setCookie(cookieName, '', -86400, path, domain);
}
<script>
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文章来源：https://www.toymoban.com/diary/js/41.html
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