JSFiddle - React, Tailwind, and code Playground

by IllusionMH

HTML

<textarea id="ta"></textarea>
<input id="inp" type="text"/>

JavaScript

var ta = document.getElementById("ta"),
    inp =  document.getElementById("inp"); 
window.addEventListener("keypress", function(e) {
    if((e.target.tagName.toLowerCase() === "textarea") && e.ctrlKey) {
        inp.value =  (e.ctrlKey ? "Ctrl + " : "") + e.keyCode;
        //e.perventDefault;
        e.cancelBuble = true;
        return false;
    }
}, false);