JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css">

JavaScript

window.onkeydown = function(e){
   if(e.keyCode == 70 && e.ctrlKey){
       alert('pressed')
           }
}