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POHow to save parent id through javascript in nested sublists
 

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  1. POHow to save parent id through javascript in nested sublists
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    <p><strong>I have a nested list with any number of li's and any number of ul's inside the li's where every li has 2 hidden inputs: an id and an id of the parent.</strong></p> <pre><code>&lt;ul&gt; &lt;li&gt; &lt;input type="hidden" name="question[id][]" value="'. $sub['id'] .'" /&gt; &lt;input type="hidden" name="question[parent][]" value="'. $question['id'] .'" /&gt; &lt;ul&gt; &lt;li&gt; &lt;input type="hidden" name="question[id][]" value="'. $sub['id'] .'" /&gt; &lt;input type="hidden" name="question[parent][]" value="'. $question['id'] .'" /&gt; &lt;/li&gt; &lt;/ul&gt; &lt;/li&gt; &lt;li&gt; &lt;input type="hidden" name="question[id][]" value="'. $sub['id'] .'" /&gt; &lt;input type="hidden" name="question[parent][]" value="'. $question['id'] .'" /&gt; &lt;ul&gt; &lt;li&gt; &lt;input type="hidden" name="question[id][]" value="'. $sub['id'] .'" /&gt; &lt;input type="hidden" name="question[parent][]" value="'. $question['id'] .'" /&gt; &lt;/li&gt; &lt;/ul&gt; &lt;ul&gt; &lt;li&gt; &lt;input type="hidden" name="question[id][]" value="'. $sub['id'] .'" /&gt; &lt;input type="hidden" name="question[parent][]" value="'. $question['id'] .'" /&gt; &lt;/li&gt; &lt;/ul&gt; &lt;/li&gt; &lt;/ul&gt; </code></pre> <p>I am using jQuery sortable to sort the nested list and now after sorting them I need to save the appropriate parent id to each item in the sublist. </p> <p>Theoretically the parent id of each sub question is the value of the first input of the second closest ul. Also if there is no parent ul, then I want to set the parent id to 0. How do I find it? This is what I have so far:</p> <pre><code>$('#reorder_form').submit(function(){ $('li').each(function() { $id = $(this).closest('ul').closest('li').find("input[name='question[id]']").val(); if(typeof($id) == 'undefined') $id=0; $(this).find("input[name='question[parent]']").val($id); }); }); </code></pre> <p>I am not 100% sure that this is how you properly loop through each input because I am hitting each twice. Perhaps I should loop through the li's instead?</p>
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