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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 - Detalles técnicos

Modern browsers use event.key (character) and event.code (physical key). The legacy keyCode property is deprecated but still widely used for compatibility.

Alternativa de línea de comandos

// JavaScript keyboard event listener
document.addEventListener('keydown', (e) => {
  console.log('key:', e.key);
  console.log('code:', e.code);
  console.log('keyCode:', e.keyCode);
});

Referencia

Ver especificación oficial