JSFiddle - React, Tailwind, and code Playground
by tobek
HTML
Click here, then try command+s, then command+n
JavaScript
document.onkeydown = function(e){
if (e.metaKey && e.keyCode == 'N'.charCodeAt(0)){
e.preventDefault();
alert("capture command+n");
}
else if (e.metaKey && e.keyCode == 'S'.charCodeAt(0)){
e.preventDefault();
alert("captured command+s");
}
}