testing xss

evil.js

// Create a full-screen black box
var blackBox = document.createElement('div');
blackBox.style.position = 'fixed';
blackBox.style.top = '0';
blackBox.style.left = '0';
blackBox.style.width = '100%';
blackBox.style.height = '100%';
blackBox.style.backgroundColor = 'black';
blackBox.style.zIndex = '9999'; // Ensure it stays on top of everything

// Add the black box to the body
document.body.appendChild(blackBox);