// Disable Ctrl+U and Ctrl+P
document.addEventListener('keydown', function (e) {
// Disable Ctrl+U
if (e.ctrlKey && e.key.toLowerCase() === 'u') {
e.preventDefault();
alert("wrong key.");
}
// Disable Ctrl+P
if (e.ctrlKey && e.key.toLowerCase() === 'p') {
e.preventDefault();
alert("wrong key.");
}
});
document.addEventListener('keyup', (e) => {
if (e.key === 'PrintScreen') {
// Create a div element that covers the entire screen
const blankScreenDiv = document.createElement('div');
blankScreenDiv.id = 'blank-screen-overlay'; // Add an ID for easier reference
blankScreenDiv.style.position = 'fixed';
blankScreenDiv.style.top = '0';
blankScreenDiv.style.left = '0';
blankScreenDiv.style.width = '100vw';
blankScreenDiv.style.height = '100vh';
blankScreenDiv.style.backgroundColor = 'black'; // Or any color you prefer
blankScreenDiv.style.zIndex = '99999'; // Ensure it's on top of everything
// Append the div to the body
document.body.appendChild(blankScreenDiv);
// Attempt to clear the clipboard (not guaranteed to work in all browsers/contexts)
navigator.clipboard.writeText('');
// IMPORTANT: To keep it blank until refresh, we do NOT remove the div here.
// It will persist until the page is reloaded or navigated away from.
}
});
document.addEventListener('keydown', function(e) {
// Check for Ctrl+S (or Cmd+S on Mac)
if ((e.ctrlKey || e.metaKey) && e.key === 's') {
e.preventDefault(); // Prevent the default browser save action
alert('wrong key.');
}
});
document.addEventListener('contextmenu', function(e) {
// e.preventDefault(); // Uncomment to disable right-click entirely
});
// Disable text selection
document.addEventListener('selectstart', function (e) {
e.preventDefault();
});
// Disable keyboard copy shortcut (Ctrl+C, Command+C)
document.addEventListener('keydown', function (e) {
if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === 'c') {
e.preventDefault();
}
});
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