JSFiddle - React, Tailwind, and code Playground

HTML

...кликай на body и нажми на кнопку enter, а потом на ctrl+enter

CSS

body { border: 2px red solid }

JavaScript

document.body.addEvent( 'keyup', function(e){ 
    
    var enter = e.key == 'enter';
    var ctrl = e.control;
    
    alert( ["enter => " + enter, "", "ctrl => "+ctrl ].join("\n") )
} )