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POCan't select ul and li elements in nested list
 

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  1. POCan't select ul and li elements in nested list
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    <p>I have this code generating by jQuery, and can be n-level of ul and n-list item</p> <pre><code>&lt;ul id="criteria"&gt; &lt;li&gt; Goal &lt;img id="add_criterion" class="add_criterion" src="../images/icons/add-icon.png"&gt; &lt;ul id="1" class="criteria"&gt; &lt;li id="1"&gt; criteria 1 &lt;ul id="2" class="criteria"&gt; &lt;li id="2"&gt; criteria 1 &lt;ul id="3" class="criteria"&gt; &lt;li id="3"&gt;criteria 1&lt;/li&gt; &lt;li id="4"&gt;criteria 2&lt;/li&gt; &lt;/ul&gt; &lt;/li&gt; &lt;li id="3"&gt; criteria 2&lt;/li&gt; &lt;/ul&gt; &lt;/li&gt; &lt;li id="2"&gt; criteria 2&lt;/li&gt; &lt;/ul&gt; &lt;/li&gt; &lt;/ul&gt; </code></pre> <p>I want to remove li that corresponding to its id and level, I wrote this function where level is the id of ul and i is the id of li </p> <pre><code>function removeElementLi(i,level){ // if one list item in un order list if($("ul#criteria ul#"+level+" li").length ==1){ $("ul#criteria ul#"+level).remove(); }else{ $("ul#criteria ul#"+level+" li#"+i).remove(); } } </code></pre> <p>But it did not work, any help I appreciate it.</p> <p>I changed the function to </p> <pre><code>if($("ul[id="+level+"][class=criteria] li").length ==1){ $("ul[id="+level+"][class=criteria]").remove(); }else{ $("ul[id="+level+"][class=criteria] li#"+i).remove(); } </code></pre> <p>but for this html code</p> <pre><code> &lt;ul id="criteria"&gt; &lt;li&gt;Goal &lt;img id="add_criterion" class="add_criterion" src="../images/icons/add-icon.png"&gt; &lt;ul id="1" class="criteria"&gt; &lt;li id="1"&gt;criteria 1&lt;/li&gt; &lt;li id="2"&gt;criteria 2&lt;/li&gt; &lt;/ul&gt; &lt;/li&gt; &lt;/ul&gt; </code></pre> <p>when I start to remove the second li, it works but when I start to remove the first li it didn't work. I alert the jQuery statement </p> <pre><code>ul[id=1][class=criteria] li#1 </code></pre> <p>and the length is 2 in this case</p>
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