Unidentified
21
hangul
event.keyCode
21
event.key
Unidentified
event.code
Lang1
Unicode
n/a
Code Examples
Copy and paste these examples to detect the Unidentified key in your JavaScript code
Recommended modern approach
// Modern approach (recommended)
document.addEventListener('keydown', (e) => {
if (e.key === 'Unidentified') {
console.log('Unidentified key pressed!');
// Your code here
}
});Related Keys
Other keys commonly used together or in similar contexts