var React = require('react'), App = require('./App'); var showName = (e) => { var el = e.toElement; el.parentNode.classList.add('visible'); }; var hideName = (e) => { var el = e.fromElement; el.parentNode.classList.remove('visible'); }; var enableTips = () => { var elems = document.querySelectorAll('.logo-item img'); for (var i = 0; i < elems.length; i++) { elems[i].addEventListener("mouseenter", showName, false); elems[i].addEventListener("mouseleave", hideName, false); } }; document.addEventListener('DOMContentLoaded', function () { React.render(, document.getElementById('react')); enableTips(); });