JSFiddle - React, Tailwind, and code Playground

HTML

<div id="test" class="unselectable">asd</div>

CSS

*.unselectable {
   -moz-user-select: -moz-none;
   -khtml-user-select: none;
   -webkit-user-select: none;
   -ms-user-select: none;
   user-select: none;
}

#test {
   width: 200px;
   height: 200px;
   background: lightblue;        
}

JavaScript

$(document).ready(function() {
    $.ctrl = function(key, callback, args) {
        var isCtrl = false;
        $(document).keydown(function(e) {
            if (!args) args = []; // IE barks when args is null
            if (e.ctrlKey) isCtrl = true;
            if (e.keyCode == key.charCodeAt(65) && isCtrl) {
                callback.apply(this, args);
                return false;
            }
        }).keyup(function(e) {
            if (e.ctrlKey) isCtrl = false;
        });
    };

    //Other Method
    $(function() {
        $(document).keydown(function(objEvent) {
            if (objEvent.ctrlKey) {
                if (objEvent.keyCode == 65) {
                    objEvent.disableTextSelect();
                    return false;
                }
            }
        });
    });

});