js修改浏览器cookie

/*
* cookieName 需要修改的cookie名
* cookieValue 需要修改的cookie值
* domain 域名
* path 域名下的路径
*/
function modify(cookieName, cookieValue, domain, path) {
  document.cookie=`${cookieName}=${cookieValue};domain=${domain};path=${path}`;
}

modify('name', 'xiaoqiu', 'www.jianshu.com', '/');