JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" id="t">

<div id="x"></div>

JavaScript

function debounce(fn, delay) {
    var timer = null;
    return function () {
        var context = this, args = arguments;
        clearTimeout(timer);
        timer = setTimeout(function () {
            fn.apply(context, args);
        }, delay);
    };
}

function doStuff(){
	document.getElementById("x").innerHTML +="<br>stuff";
}

    var t = document.getElementById("t");
    t.onchange = debounce(function(){ doStuff() }, 500);
    t.onblur = debounce(function(){ doStuff() }, 500);