如何使用JavaScript删除当前域的所有cookie ?
当前回答
如果你想使用js-cookie npm包并按名称删除cookie:
import cookie from 'js-cookie'
export const removeAllCookiesByName = (cookieName: string) => {
const hostParts = location.host.split('.')
const domains = hostParts.reduce(
(acc: string[], current, index) => [
...acc,
hostParts.slice(index).join('.'),
],
[]
)
domains.forEach((domain) => cookie.remove(cookieName, { domain }))
}
其他回答
在测试了多种浏览器中列出的几乎所有方法后,我发现几乎没有一种方法能达到50%的效果。
如果需要,请帮忙纠正,但我要在这里发表我的意见。下面的方法分解了所有内容,基本上基于设置部分构建cookie值字符串,并包括路径字符串的一步一步构建,当然从/开始。
希望这对其他人有所帮助,我希望任何批评都能以完善这种方法的形式出现。起初,我想要一个简单的1-liner,因为有些人寻求,但JS cookie是那些不那么容易处理的事情之一。
;(function() {
if (!window['deleteAllCookies'] && document['cookie']) {
window.deleteAllCookies = function(showLog) {
var arrCookies = document.cookie.split(';'),
arrPaths = location.pathname.replace(/^\//, '').split('/'), // remove leading '/' and split any existing paths
arrTemplate = [ 'expires=Thu, 01-Jan-1970 00:00:01 GMT', 'path={path}', 'domain=' + window.location.host, 'secure=' ]; // array of cookie settings in order tested and found most useful in establishing a "delete"
for (var i in arrCookies) {
var strCookie = arrCookies[i];
if (typeof strCookie == 'string' && strCookie.indexOf('=') >= 0) {
var strName = strCookie.split('=')[0]; // the cookie name
for (var j=1;j<=arrTemplate.length;j++) {
if (document.cookie.indexOf(strName) < 0) break; // if this is true, then the cookie no longer exist
else {
var strValue = strName + '=; ' + arrTemplate.slice(0, j).join('; ') + ';'; // made using the temp array of settings, putting it together piece by piece as loop rolls on
if (j == 1) document.cookie = strValue;
else {
for (var k=0;k<=arrPaths.length;k++) {
if (document.cookie.indexOf(strName) < 0) break; // if this is true, then the cookie no longer exist
else {
var strPath = arrPaths.slice(0, k).join('/') + '/'; // builds path line
strValue = strValue.replace('{path}', strPath);
document.cookie = strValue;
}
}
}
}
}
}
}
showLog && window['console'] && console.info && console.info("\n\tCookies Have Been Deleted!\n\tdocument.cookie = \"" + document.cookie + "\"\n");
return document.cookie;
}
}
})();
这里有一个清除所有路径和所有变体域(www.mydomain.example, mydomain。例等):
(function () {
var cookies = document.cookie.split("; ");
for (var c = 0; c < cookies.length; c++) {
var d = window.location.hostname.split(".");
while (d.length > 0) {
var cookieBase = encodeURIComponent(cookies[c].split(";")[0].split("=")[0]) + '=; expires=Thu, 01-Jan-1970 00:00:01 GMT; domain=' + d.join('.') + ' ;path=';
var p = location.pathname.split('/');
document.cookie = cookieBase + '/';
while (p.length > 0) {
document.cookie = cookieBase + p.join('/');
p.pop();
};
d.shift();
}
}
})();
下面的代码将删除当前域内的所有cookie和所有尾随子域(www.some.sub.domain.example, .some.sub.domain。例如,.sub.domain。例如,等等。)
一个单行的香草JS版本(我认为这里唯一一个没有使用cookie.split()):
document.cookie.replace(/(?<=^|;).+?(?=\=|;|$)/g, name => location.hostname.split('.').reverse().reduce(domain => (domain=domain.replace(/^\.?[^.]+/, ''),document.cookie=`${name}=;max-age=0;path=/;domain=${domain}`,domain), location.hostname));
这是这一行的一个可读版本:
document.cookie.replace(
/(?<=^|;).+?(?=\=|;|$)/g,
name => location.hostname
.split(/\.(?=[^\.]+\.)/)
.reduceRight((acc, val, i, arr) => i ? arr[i]='.'+val+acc : (arr[i]='', arr), '')
.map(domain => document.cookie=`${name}=;max-age=0;path=/;domain=${domain}`)
);
如果你只关心清除安全源上的Cookie,你可以使用Cookie Store API和它的.delete()方法。
cookieStore.getAll().then(cookies => cookies.forEach(cookie => {
console.log('Cookie deleted:', cookie);
cookieStore.delete(cookie.name);
}));
访问caniuse.com表,查看Cookie Store API的浏览器支持情况。
我想分享一下清除cookie的方法。也许这在某些时候对其他人是有帮助的。
var cookie = document.cookie.split(';');
for (var i = 0; i < cookie.length; i++) {
var chip = cookie[i],
entry = chip.split("="),
name = entry[0];
document.cookie = name + '=; expires=Thu, 01 Jan 1970 00:00:01 GMT;';
}