JSFiddle - React, Tailwind, and code Playground

JavaScript

(function(seq) {
    var tmp = seq.slice();
    $(document).on("keyup", function(e){
        if (!(e.keyCode === tmp.pop())) {
           tmp = seq.slice();
        }
        else {
           console.log(e.keyCode);   
            if (!tmp.length) {
               console.log('end');
               $(document).off("keyup");
            }
        }
    });
}([68,69,86].reverse()));