How to Fix: Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
SECURITY_ERR: DOM Exception 18 occurs when a script tries to set a cookie with an invalid or missing domain. Check the domain and port number in your cookie settings.
📋 Table of Contents
The error you're encountering, 'SECURITY_ERR: DOM Exception 18', occurs when the browser's same-origin policy is violated. This happens when attempting to set a cookie that originates from a different domain than the current webpage.
🛑 Root Causes of the Error
- Using a cookie plugin that doesn't properly handle cross-origin requests.
🛠️ Step-by-Step Verified Fixes
Method 1: Using a JSONP-based Cookie Plugin
- Step 1: Choose a cookie plugin that supports JSONP, such as jQuery Cookie.
Method 2: Setting Cookies on the Server-side
- Step 1: Set up your server to handle cookie requests, using a framework like Node.js or Django.
✨ Wrapping Up
To resolve this issue, ensure your chosen cookie plugin is compatible with cross-origin requests and consider setting cookies on the server-side for added security.
❓ Frequently Asked Questions
🛠️ Related Fixes
How to Fix: Pc crashes shortly after launching game (rainbow
Pc crashes shortly after launching game, possible cause: outdated grap
How to Fix: Installing an APK on a locked down phone
Installing an APK on a locked down phone: Try using a rooted device, e
How to Fix: FPS drops
FPS drops in games can be caused by high system resource usage, outdat