我有一个脚本，这是隐藏的链接到mp3文件。
<script type="text/javascript">
<!--//--><![CDATA[//><!--
jQuery(document).ready(function($){
$('a.sm2_button').each(function (i, el) {
var data = jQuery(el).data('song_link') || jQuery(el).data('song_link', undefined);
if (!data) {
jQuery(el).data('song_link', el.href);
el.href = '#';
el.setAttribute('href', '#');
}
$(el).bind("contextmenu", function(e) {
e.preventDefault();
});
});
});
//--><!]]>
</script>我遇到的问题是，在一个 AJAX 调用之后，上面代码的第一部分再次运行，它破坏了在ajax调用之前已经存在的html的“song_link”。当我注解掉上面的代码时，它工作得很好。但是链接不再隐藏了。因此我确信问题出在上面的代码上。显然没有办法调试/查看jquery数据函数为www.example.com的数据元素using.https://stackoverflow.com/questions/65421997/how-to-see-jquerys-data-with-developer-tools
这是一个html页面：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN"
"http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd">
<head profile="http://www.w3.org/1999/xhtml/vocab">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="Generator" content="Drupal 7 (http://drupal.org)" />
<title>Ajax ruins javascript | Romanian Lesson</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
<style type="text/css" media="all">
@import url(".comthemes/bluemasters/css/inlineplayer.css?rmz8ol");
</style>
<link type="text/css" rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" media="all" />
<style type="text/css" media="all">
@import url(".comthemes/bluemasters/css/style.css?rmz8ol");
</style>
<!--[if (lte IE 8)&(!IEMobile)]>
<link type="text/css" rel="stylesheet" href=".comthemes/bluemasters/css/basic-layout.css?rmz8ol" media="all" />
<![endif]-->
<script type="text/javascript" src=".com/misc/jquery.js?v=1.4.4"></script>
<script type="text/javascript" src=".com/misc/jquery-extend-3.4.0.js?v=1.4.4"></script>
<script type="text/javascript" src=".com/misc/jquery-html-prefilter-3.5.0-backport.js?v=1.4.4"></script>
<script type="text/javascript" src=".com/misc/jquery.once.js?v=1.2"></script>
<script type="text/javascript" src=".com/misc/drupal.js?rmz8ol"></script>
<script type="text/javascript" src=".commodules/eu_cookie_compliance/js/jquery.cookie-1.4.1.min.js?v=1.4.1"></script>
<script type="text/javascript" src=".commodules/comment_notify/comment_notify.js?rmz8ol"></script>
<script type="text/javascript" src=".comthemes/bluemasters/js/soundmanager2-nodebug-jsmin.js?rmz8ol"></script>
<script type="text/javascript" src=".comthemes/bluemasters/js/mp3-player-button.js?rmz8ol"></script>
<script type="text/javascript" src=".comthemes/bluemasters/js/inlineplayer.js?rmz8ol"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
soundManager.setup({ url: 'themes/bluemasters/swf/'});
//--><!]]>
</script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
jQuery(document).ready(function($){
$('a.sm2_button').each(function (i, el) {
var data = jQuery(el).data('song_link') || jQuery(el).data('song_link', undefined);
if (!data) {
jQuery(el).data('song_link', el.href);
}
el.href = '#';
el.setAttribute('href', '#');
$(el).bind("contextmenu", function(e) {
e.preventDefault();
});
});
});
//--><!]]>
</script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
jQuery(document).ready(function($){
// This prevents soundmanager.js from breaking links
$('a').not('.sm2_button').each(function (i, el) {
var data = jQuery(el).data('not_mp3') || jQuery(el).data('not_mp3', undefined);
if (!data) {
jQuery(el).data('not_mp3', el.href);
}
});
});
//--><!]]>
</script>
<script type="text/javascript" src=".comthemes/bluemasters/js/jquery.mobilemenu.min.js?rmz8ol"></script>
<script type="text/javascript" src=".commodules/captcha/captcha.js?rmz8ol"></script>
<script type="text/javascript" src=".com/misc/textarea.js?v=7.92"></script>
<script type="text/javascript" src=".com/modules/filter/filter.js?rmz8ol"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
function trtables_ajax_load($nid) {
$ajax_div_target="ajax-target-start-learning-"+$nid;
$param="/node/get/ajax/"+$nid;
jQuery("#"+$ajax_div_target).load($param);
}
//--><!]]>
</script>
<script type="text/javascript">
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jQuery.extend(Drupal.settings, {"basePath":"\/","pathPrefix":"","setHasJsCookie":0,"bluemasters":{"topoptiontext":"Page 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</script>
</head>
<body class="html not-front not-logged-in no-sidebars page-node page-node- page-node-5801 node-type-book i18n-en" >
<div id="page">
</div>
</div>
<!--EOF:header-top-->
<div id="wrapper">
<div class="container_12">
<div class="grid_12">
<div id="main-area" class="clearfix">
<div id="main-area-inside" class="clearfix">
<div class="grid_12 alpha omega">
<div id="main" class="inside clearfix">
<div class="region region-content">
<div id="block-system-main" class="block block-system">
<div class="content">
<div id="node-5801" class="node node-book" about="/node/5801" typeof="sioc:Item foaf:Document">
<div class="content clearfix">
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><table class="mp3table">
<tr>
<th>English</th>
<th>Romanian<br>translation</th>
<th>Audio</th>
</tr><tr class='odd'><td><p>I'm not Romanian (male)</p></td><td><p>Eu nu sunt român</p></td><td><A class="sm2_button no_dl" href="/sites/default/files/Lessons/0.4/eu_nu_sunt_roman.mp3"></A></td></tr><tr class='even'><td><p>I'm not Romanian (female)</p></td><td><p>Eu nu sunt româncă</p></td><td><A class="sm2_button no_dl" href="/sites/default/files/Lessons/0.4/eu_nu_sunt_romanca.mp3"></A></td></tr></table> <a id="id-start-learning-611"></a>
<div class="learning-panel">
<button class="btn btn-success btn-blue" type="button" style="color: yellow; width: 100%;" data-toggle="collapse" data-target="#start-learning-611" aria-expanded="true" aria-controls="start-learning-611">
<i class="fa" aria-hidden="true"></i>
<img style="margin:10px 0px;padding:0px;" width="30px" height="30px" title="Multiple choice Romanian language exercises"src=themes/bluemasters/images/icons/mcq.png> <img style="margin:10px 0px;padding:0px;" width="30px" height="30px" title="Multiple choice Romanian language listening exercises" src=themes/bluemasters/images/icons/listen.png> <img style="margin:10px 0px;padding:0px;" width="30px" height="30px" title="Listening and writing Romanian language exercises" src=themes/bluemasters/images/icons/w_h.jpg> Start learning
</button>
<div class="in collapse show" id="start-learning-611">
<div class="container-fluid center">
<div class="row btn-blue">
<div class="level1 col"><div class="blue vertically-center-text"><a class="btn" href="#id-start-learning-611" onclick="trtables_ajax_load('611,')">1 <img style="margin:10px 0px;padding:0px;" width="30px" height="30px" title="Multiple choice Romanian language exercises"src=themes/bluemasters/images/icons/mcq.png></a> <span class="lro-progress">0/2</span></div></div>
<div class="level1 col">2 Listening
<div class="row" style="margin: 7px;">
<div class="col line-height50 no-border-right blue"><div class="vertically-center-text"><a class="btn" href="#id-start-learning-611" onclick="trtables_ajax_load('611,p')">2.1 <img style="margin:10px 0px;padding:0px;" width="30px" height="30px" title="Multiple choice Romanian language listening exercises" src=themes/bluemasters/images/icons/listen.png></a> <span class="lro-progress">0/2</span></div></div>
<div class="col line-height50 blue"><a class="btn" href="#id-start-learning-611" onclick="trtables_ajax_load('611,tp')">2.2 <img style="margin:10px 0px;padding:0px;" width="30px" height="30px" title="Listening and writing Romanian language exercises" src=themes/bluemasters/images/icons/w_h.jpg></a> <span class="lro-progress">0/2</span></div>
</div>
</div><!-- /.level1 -->
<div class="level1 col">
3 Translate
<div class="row" style="margin: 7px;">
<div class="col line-height50 no-border-right blue"><a class="btn" href="#id-start-learning-611" onclick="trtables_ajax_load('611,trofl')">3.1 <img class="language-icon" typeof="foaf:Image" src="modules/languageicons/flags/ro.png" style="margin:0px;width:26px;height:20px;max-width:100px;"> <img class="language-icon" typeof="foaf:Image" src=modules/languageicons/flags/en.png style="margin:0px;width:26px;height:20px;max-width:100px;"></a> <span class="lro-progress">0/2</span></div>
<div class="col line-height50 blue"><a class="btn" href="#id-start-learning-611" onclick="trtables_ajax_load('611,tflro')">3.2 <img class="language-icon" typeof="foaf:Image" src=modules/languageicons/flags/en.png style="margin:0px;width:26px;height:20px;max-width:100px;"> <img class="language-icon" typeof="foaf:Image" src="modules/languageicons/flags/ro.png" style="margin:0px;width:26px;height:20px;max-width:100px;"></a> <span class="lro-progress">0/2</span></div>
</div>
</div>
</div>
</div>
</div>
</div>
<div id="ajax-target-start-learning-611"></div></p>
</div></div></div> </div>
</body>
</html>AJAX 带来的html页面，因此这是ajax的回复是：
<html><head><title></title>
<style type="text/css" media="all">
@import url(".comthemes/bluemasters/css/inlineplayer.css?rmz8ol");
@import url(".commodules/ctools/css/ctools.css?rmz8ol");
</style>
<style type="text/css" media="all">
@import url(".comthemes/bluemasters/css/style.css?rmz8ol");
</style>
<script type="text/javascript" src=".com/misc/jquery.js?v=1.4.4"></script>
<script type="text/javascript" src=".com/misc/jquery-extend-3.4.0.js?v=1.4.4"></script>
<script type="text/javascript" src=".com/misc/jquery-html-prefilter-3.5.0-backport.js?v=1.4.4"></script>
<script type="text/javascript" src=".com/misc/jquery.once.js?v=1.2"></script>
<script type="text/javascript" src=".com/misc/drupal.js?rmz8ol"></script>
<script type="text/javascript" src=".commodules/eu_cookie_compliance/js/jquery.cookie-1.4.1.min.js?v=1.4.1"></script>
<script type="text/javascript" src=".com/misc/jquery.form.js?v=2.52"></script>
<script type="text/javascript" src=".com/misc/ajax.js?v=7.92"></script>
<script type="text/javascript" src=".commodules/jquery_update/js/jquery_update.js?v=0.0.1"></script>
<script type="text/javascript" src=".commodules/comment_notify/comment_notify.js?rmz8ol"></script>
<script type="text/javascript" src=".comthemes/bluemasters/js/soundmanager2-nodebug-jsmin.js?rmz8ol"></script>
<script type="text/javascript" src=".comthemes/bluemasters/js/mp3-player-button.js?rmz8ol"></script>
<script type="text/javascript" src=".comthemes/bluemasters/js/inlineplayer.js?rmz8ol"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
soundManager.setup({ url: 'themes/bluemasters/swf/'});
//--><!]]>
</script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
jQuery(document).ready(function($){
$('a.sm2_button').each(function (i, el) {
var data = jQuery(el).data('song_link') || jQuery(el).data('song_link', undefined);
if (!data) {
jQuery(el).data('song_link', el.href);
}
el.href = '#';
el.setAttribute('href', '#');
$(el).bind("contextmenu", function(e) {
e.preventDefault();
});
});
});
//--><!]]>
</script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
jQuery(document).ready(function($){
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</head><body class="jquery-ajax-load"><form action="/node/get/ajax/611," method="post" id="trtable-quiz-multistep-form" accept-charset="UTF-8"><div><input type="hidden" name="form_build_id" value="form-gJCwC0aoS9T_Hj_ubOnVTLK8dCyToMvSbKFkXfyw5NU" />
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<div id="trtable_quiz_multistep_form882"><div class="trtable-quiz form-wrapper" id="edit-quiz"><p>Question 1 / 2</p><h4>What is the correct translation for:</h4><em style="color:blue;"><p>I'm not Romanian (female)</p></em><ul class="exercise_ul"><div id="edit-question-0" class="form-radios"><div class="form-item form-type-radio form-item-question-0">
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</div></div></form></body></html>如何防止 AJAX 触发的第二次运行破坏'song_link' jquery数据元素？
同样的代码需要为两个fin第一次运行，当页面加载，这是现在的工作和第二次运行时， AJAX 被触发. P.S.在情况下，它更容易：我的测试地点在这里：http://test2.learnro.com/node/5801
1条答案
按热度按时间wz1wpwve1#
首先，非常感谢您的建设性回答。根据您的反馈，我找到了以下解决方案：
我已经改编了其他脚本，以及，这是用来播放的mp3。
因此，我基本上用el的一个新属性替换了jQuery数据函数。
再次感谢！