1 <script src=‘./fastclick.js‘></script>

1     if (‘addEventListener‘ in document) {
2         document.addEventListener(‘DOMContentLoaded‘, function () {
3             FastClick.attach(document.body);
4         }, false);
5     }
6  var goback = document.querySelector(‘.goback‘)
7     goback.addEventListener(‘click‘, function () {
8         alert(‘ok‘)
9     })