JSFiddle - React, Tailwind, and code Playground

by Mottie

JavaScript

var timer, last;
$(document).bind('keydown', function(e) {
    // Typing a then h will call the alert
    if (last == 65 && e.which === 72) {
        alert('Hello World');
    }
    last = e.which;
    // clear last value after 100 ms
    clearTimeout(timer);
    timer = setTimeout(function(){
        last = '';
    }, 100);
});