JSFiddle - React, Tailwind, and code Playground

by kristapsv

JavaScript

var addEvent = function(obj, evt, fn) {
    if (obj.addEventListener) {
        obj.addEventListener(evt, fn, false);
    }
    else if (obj.attachEvent) {
        obj.attachEvent("on" + evt, fn);
    }
};

addEvent(document, "mouseout", function(event) {
    event = event ? event : window.event;
    var from = event.relatedTarget || event.toElement;
    if ( (!from || from.nodeName == "HTML") && event.clientY <= 100 ) {
        alert("left top bar");
    }
});