Are you tired of constantly mistyping your password due to the dreaded caps lock key being on? It’s a common problem that many users face, especially when using password inputs where caps lock isn’t as obvious.
But fear not, developers have a solution! By utilizing the KeyboardEvent
‘s getModifierState
method, you can now detect if the caps lock key is active and alert the user accordingly:
document.querySelector('input[type=password]').addEventListener('keyup', function (keyboardEvent) { const capsLockOn = keyboardEvent.getModifierState('CapsLock'); if (capsLockOn) { // Notify the user about the caps lock being on } });
Delving into the capabilities of getModifierState
can provide valuable insights into the user’s keyboard behavior during key-centric events. Check out the W3C documentation for more useful values it offers:
dictionary EventModifierInit : UIEventInit { boolean ctrlKey = false; boolean shiftKey = false; boolean altKey = false; boolean metaKey = false; boolean modifierAltGraph = false; boolean modifierCapsLock = false; boolean modifierFn = false; boolean modifierFnLock = false; boolean modifierHyper = false; boolean modifierNumLock = false; boolean modifierScrollLock = false; boolean modifierSuper = false; boolean modifierSymbol = false; boolean modifierSymbolLock = false; };
Unlock the power of getModifierState
to enhance user experience and prevent frustrating login issues caused by the elusive caps lock key. Stay informed and stay efficient with this handy JavaScript method!
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