JSFiddle - React, Tailwind, and code Playground

JavaScript

var LOOK_FOR = [
            104
        ,   105
    ]
,   lastPressed = -1
,   reset
,   resetTimeoutID;

$(window).bind('keypress', function (ev) {
    if (LOOK_FOR[++lastPressed] === ev.which) {
        if (lastPressed === LOOK_FOR.length - 1) {
            //DO SOMETHING SPECIAL
          alert('You did it!');  
        }
        else if (!reset) {
            reset = true;
            resetTimeoutID = setTimeout(resetSecret, 10000);
        }
    }
    else {
        resetSecret();   
    }
        
});

function resetSecret() {
    lastPressed = -1;
    reset = null;
    clearTimeout(resetTimeoutID);
}