Hi Rob, this ML is about ECMAScript (aka JavaScript ... or vice-versa) What you are suggesting is part of DOMland https://w3c.github.io/uievents/ which is a different working group/specification.
We could even all agree here about features like `capsLock` as alternative `metaKey` but it's the wrong channel to propose this change/improvement. Best Regards On Mon, Dec 14, 2015 at 7:36 PM, Rob Garrison <[email protected]> wrote: > Hi! > > There is no way to determine the actual state of a caps lock key. I would > like > to request an enhancement of the event object to include the caps lock > state: > > ```js > document.addEventListener( 'keydown', function( event ) { > if ( event.capsLock ) { > alert( 'caps lock on!' ); > } > }); > ``` > > This basic method targets the "a" through "z" and capital "A" through "Z" > characters to make a comparison. This method does not include accented > characters that would be available on non-U.S. or international keyboards, > and it can only be used during a "keypress" event. "keypress" is the > only event in which `event.charCode` returns accurate values. > > ```js > document.addEventListener( 'keypress', function( event ) { > var k = event.charCode; > // ASCII uppercase A = 65; ascii uppercase Z = 90 > if ( ( ( k >= 65 && k <= 90 ) && !event.shiftKey ) || > // ASCII lowercase a = 97; ASCII lowercase z = 122 > ( ( k >= 97 && k <= 122) && e.shiftKey ) ) { > alert( 'caps lock on!' ); > } > }); > ``` > > I know modern keyboards are starting to replace the caps lock key with a > control key, but I think this would still be a useful addition. > > Thanks for your attention. > Rob > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss > >
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