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PORemove li tags using javascript array
 

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    <p>I'm searching a solution to remove <code>&lt;li&gt;</code> tags filtered using javascript array.</p> <p>Array:</p> <pre><code>var mygroups=["1","8","3","4","5"] </code></pre> <p>Example (input):</p> <pre><code>&lt;li&gt;&lt;div&gt;1 element.&lt;/div&gt;&lt;/li&gt; &lt;li&gt;&lt;div&gt;2 element. This is my &lt;span&gt;post&lt;/span&gt; into new group&lt;/div&gt;&lt;/li&gt; &lt;li&gt;&lt;div&gt;3 element. Another one&lt;/li&gt; &lt;li&gt;&lt;div&gt; &lt;a href="javascript:void(0);"&gt;Actor&lt;/a&gt; &lt;a href="/groups/viewgroup/1-first-group"&gt;First group&lt;/a&gt; &lt;/div&gt; &lt;/li&gt; &lt;li&gt;&lt;div&gt;&lt;a href="javascript:void(0);"&gt;Actor&lt;/a&gt; &lt;a href="/groups/viewgroup/10-ten-group"&gt;Ten group&lt;/a&gt;5 element. This is my &lt;span&gt;new post&lt;/span&gt;&lt;/div&gt;&lt;/li&gt; &lt;li&gt; &lt;div&gt;6 element. &lt;a href="/j1.5/index.php/jomsocial/63-zzz/profile"&gt;Actor&lt;/a&gt;&lt;/div&gt; &lt;div&gt;&lt;a href="/groups/viewgroup/test/5-second-group"&gt;Group other&lt;/a&gt;&lt;/div&gt; &lt;/li&gt; &lt;li&gt;7 element.&lt;/li&gt; &lt;li&gt;&lt;div&gt;&lt;a href="/groups/viewgroup/test/8-second-group"&gt;First group&lt;/a&gt;&lt;/div&gt;&lt;/li&gt; &lt;li&gt;&lt;div&gt;&lt;a href="/groups/viewgroup/16-other-group"&gt;First group&lt;/a&gt;&lt;/div&gt;&lt;/li&gt; &lt;li&gt;&lt;div&gt;&lt;a href="/j1.5/index.php?option=com_community&amp;view=groups&amp;task=viewgroup&amp;groupid=1&amp;Itemid=4"&gt;My other group &lt;/a&gt;&lt;/div&gt;&lt;/li&gt; </code></pre> <p>How to get this output (Remove all instances which do not contain group in array in anchor):</p> <pre><code>&lt;li&gt;&lt;div&gt; &lt;a href="javascript:void(0);"&gt;Actor&lt;/a&gt; &lt;a href="/groups/viewgroup/1-first-group"&gt;First group&lt;/a&gt; &lt;/div&gt; &lt;/li&gt; &lt;li&gt; &lt;div&gt;6 element. &lt;a href="/j1.5/index.php/jomsocial/63-zzz/profile"&gt;Actor&lt;/a&gt;&lt;/div&gt; &lt;div&gt;&lt;a href="/groups/viewgroup/test/5-second-group"&gt;Group other&lt;/a&gt;&lt;/div&gt; &lt;/li&gt; &lt;li&gt;&lt;div&gt;&lt;a href="/groups/viewgroup/test/8-second-group"&gt;First group&lt;/a&gt;&lt;/div&gt;&lt;/li&gt; &lt;li&gt;&lt;div&gt;&lt;a href="/j1.5/index.php?option=com_community&amp;view=groups&amp;task=viewgroup&amp;groupid=4&amp;Itemid=4"&gt;My other group &lt;/a&gt;&lt;/div&gt;&lt;/li&gt; </code></pre> <p>This code is not working right:</p> <pre><code> $('li').filter(function() { var a = $(this).find('a'); if (!a.length) return true; var text = a.attr('href').split('/')[3]; text = text.substring(0, text.indexOf('-')); if ($.inArray(text , mygroups) &gt;= 0) return false; return true; }).remove(); </code></pre> <p>And this one does the job neither:</p> <pre><code> $('li').filter(function() { if($(this).is('*:has(a[href|=/group/viewgroup/])') { var href = $(this).find('a').attr('href'), trail = href.split('/')[3], number = + /(\d+)-/.exec(trail)[1]; return $.inArray(myarray, +number) == -1; } return true; }).remove(); </code></pre>
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