var sleep = function(ms, callback) {
setTimeout(function() {
callback()
}, ms)
},
favthings = ["Python", "C programming", "raspberrypi", "Linux"],
removeClass = function(el, className) {
el.classList ? el.classList.remove(className) : el.className = el.className.replace(new RegExp("(^|\\b)" + className.split(" ").join("|") + "(\\b|$)", "gi"), " ")
},
addClass = function(el, className) {
el.classList ? el.classList.add(className) : el.className += " " + className
},
i = 0,
nextThing = function(thing) {
i < favthings.length - 1 ? i++ : i = 0, removeClass(thing, "slideInDown"), addClass(thing, "slideOutUp"), sleep(700, function() {
thing.innerHTML = favthings[i], removeClass(thing, "slideOutUp"), addClass(thing, "slideInDown")
})
};
document.addEventListener("DOMContentLoaded", function() {
var thing = document.querySelectorAll(".favthing")[0];
setTimeout(function() {
nextThing(thing)
}, 1e3), setInterval(function() {
nextThing(thing)
}, 4e3)
});