KeyCode Finder
Press any key to see its JavaScript event properties including key, code, keyCode, and modifier states.
Press any key to see its codes
Click anywhere on the page and press a key
Note:
keyCode and which are deprecated. Use key for character and code for physical key.Keyboard Events - Détails techniques
Modern browsers use event.key (character) and event.code (physical key). The legacy keyCode property is deprecated but still widely used for compatibility.
Alternative en ligne de commande
// JavaScript keyboard event listener
document.addEventListener('keydown', (e) => {
console.log('key:', e.key);
console.log('code:', e.code);
console.log('keyCode:', e.keyCode);
});