express get cookie
const cookieParser = require('cookie-parser');
const express = require('express');
const app = express();
app.use(cookieParser());
app.get('/', (req, res) => {
console.log('Cookies: ', req.cookies);
console.log('Signed Cookies: ', req.signedCookies);
});
app.listen(3000);clear cookies js
function deleteAllCookies() {
var cookies = document.cookie.split(";");
for (var i = 0; i < cookies.length; i++) {
var cookie = cookies[i];
var eqPos = cookie.indexOf("=");
var name = eqPos > -1 ? cookie.substr(0, eqPos) : cookie;
document.cookie = name + "=;expires=Thu, 01 Jan 1970 00:00:00 GMT";
}
}
deleteAllCookies();javascript delete cookie
function deleteCookie(name) {
document.cookie = name + '=; expires=Thu, 01 Jan 1970 00:00:01 GMT;';
}js set cookie
function setCookie(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=/";
}
function getCookie(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;
}
setCookie("user_email","[email protected]",30); //set "user_email" cookie, expires in 30 days
var userEmail=getCookie("user_email");//"[email protected]"how to create a cookie in javascript
document.cookie = "firstName=Anthony";javascript set cookie
const setCookie = (options) => {
const {
name,
value = '',
path = '/',
duration = 3600,
} = options;
const durationMs = duration * 1000;
const expires =
new Date(Date.now() + durationMs);
document.cookie =
`${name}=${escape(value)}; expires=${expires.toUTCString()}; path=${path}`;
}
const getCookie = (name, cast = String) => {
if (document.cookie.length == 0)
return;
const match = document
.cookie
.match(`${name}=(?<value>[\\w]*);?`);
if (!match)
return;
const value =
match?.groups?.value ?? '';
return cast(unescape(value));
}
const cookieExists = (name) => {
return getCookie(name) !== undefined;
}
const deleteCookie = (name) => {
setCookie({
name: name,
value: undefined,
duration: -1,
});
}
// Example string
setCookie({
name: 'username',
value: 'dude',
});
const username =
getCookie('username');
// Example number
setCookie({
name: 'count',
value: 100,
duration: 300, // 300s, 5 minutes
});
const count =
getCookie('count', parseInt);
deleteCookie('count');Copyright © 2021 Codeinu
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