Files
quiz-ius/js/cookie.js
2026-04-06 12:36:25 +00:00

54 lines
1.6 KiB
JavaScript
Executable File

/**
* A simple cookie reader/writer with JSON support.
*
* @example
* // Create a cookie
* CookieManager.setCookie('username', 'JohnDoe', 7);
*
* @example
* // Read a cookie
* const username = CookieManager.getCookie('username');
* console.log(username); // Outputs: JohnDoe
*
* @example
* // Erase a cookie
* CookieManager.eraseCookie('username');
*
* @example
* // Set a JSON object as a cookie
* const user = { name: 'John Doe', age: 30 };
* CookieManager.setJSONCookie('user', user, 7);
*
* @example
* // Get a JSON object from a cookie
* const user = CookieManager.getJSONCookie('user');
* console.log(user); // Outputs: { name: 'John Doe', age: 30 }
*/
// a simple cookie reader/writer with json support
class CookieManager {
static setCookie(name, value, days) {
let expires = "";
if (days) {
const date = new Date();
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
expires = "; expires=" + date.toUTCString();
}
document.cookie = name + "=" + value + expires + "; path=/";
}
static getCookie(name) {
const nameEQ = name + "=";
const ca = document.cookie.split(';');
for(let i = 0; i < ca.length; i++) {
let 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;
}
static deleteCookie(name) {
document.cookie = name + '=; Max-Age=-99999999;';
}
}