<html><head> ???<meta charset="UTF-8"> ???<meta name="viewport" ?????????content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> ???<meta http-equiv="X-UA-Compatible" content="ie=edge"> ???<title>点击后退</title> ???<script type="text/javascript" src="http://code.jquery.com/jquery-3.3.1.js"></script> ???<script> ???????jQuery(document).ready(function ($) { ???????????if (window.history && window.history.pushState) { ???????????????$(window).on(‘popstate‘, function () { ???????????????????var hashLocation = location.hash; ???????????????????var hashSplit = hashLocation.split("#!/"); ???????????????????var hashName = hashSplit[1]; ???????????????????if (hashName !== ‘‘) { ???????????????????????var hash = window.location.hash; ???????????????????????if (hash === ‘‘) { ???????????????????????????alert("希望该网站能提供你帮助！"); ???????????????????????} ???????????????????} ???????????????}); ???????????????window.history.pushState(‘forward‘, null, ‘./#forward‘); ???????????} ???????}); ???</script></head><body><h3>阅谁问君诵，水落清香浮。</h3></body></html>jQuery 点击后退（返回）执行函数
原文地址：https://www.cnblogs.com/mz0104/p/9796859.html