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    copied!<p>The JSON you provided is invalid, but, assuming the JSON looks like this (based on your current iteration code):</p> <pre><code>var results = [{ "name": "name1", "type": [{ "id": '2'}, { "id": '1'}, { "id": '4'}, { "id": '6'}], "images": [{ "url": "url0" }, { "url": "url1" }, { "url": "url2" }, { "url": "url3" }, { "url": "url4" }], }, { "name": "name2", "type": [{ "id": '25' }, { "id": '123' }, { "id": '423' }, { "id": '346' }], "images": [{ "url": "url0" }, { "url": "url1" }, { "url": "url2" }, { "url": "url3" }, { "url": "url4" }], }, { "name": "name3", "type": null, "images": null }]; </code></pre> <p>You have several problems with this statement:</p> <pre><code>for(var i = 0; i &lt; results.length; i++){ $('.results')append('&lt;p class="liste"&gt;'+results[i].name+'&lt;/p&gt;&lt;ul&gt;&lt;/ul&gt;'); $('.liste').prepend('&lt;img src="'+results[i].images[1].url+'"'); for(var j = 0; j &lt; results[i].type.length; j++){ $('.results ul').append('&lt;li&gt;'+results[i].type[j].id+'&lt;/li&gt;'); } } </code></pre> <ul> <li>$('.liste').prepend will append the provided element to <strong>ALL</strong> elements with a class of <code>.liste</code>. Each time you prepend a new image, all existing <code>&lt;p&gt;</code> elements will get it.</li> <li>$('.results ul').append - see above comment. Each time you append, all existing elements that match will get additional, unwanted values attached</li> <li>Both the <code>type</code> and <code>images</code> values can be null and you haven't provided any guards against this in your loop.</li> </ul> <p>Something like this given the assumption above will work better for you:</p> <p><a href="http://jsfiddle.net/davidcl64/gm78r/" rel="nofollow">Demo Fiddle</a></p> <p>Code:</p> <pre><code>// Use a document fragment to avoid DOM updates in the loop var $fragment = $(document.createDocumentFragment()); for (var i = 0; i &lt; results.length; i++) { // If there is an image, add it if(results[i].images) { $fragment.append($('&lt;img src="' + results[i].images[1].url + '"/&gt;')); } $fragment.append($('&lt;p class="liste"&gt;' + results[i].name + '&lt;/p&gt;')); // Keep track of the current UL so it can be appended to directly var $curULTag = $('&lt;ul&gt;&lt;/ul&gt;').appendTo($fragment); if(results[i].images &amp;&amp; results[i].type) { for (var j = 0; j &lt; results[i].type.length; j++) { // add the li to the current UL $curULTag.append('&lt;li&gt;' + results[i].type[j].id + '&lt;/li&gt;'); } } } // Append the full results $('.results').append($fragment); </code></pre> <p>Results:</p> <pre><code>&lt;div class="results"&gt; &lt;img src="url1"&gt; &lt;p class="liste"&gt;name1&lt;/p&gt; &lt;ul&gt; &lt;li&gt;2&lt;/li&gt; &lt;li&gt;1&lt;/li&gt; &lt;li&gt;4&lt;/li&gt; &lt;li&gt;6&lt;/li&gt; &lt;/ul&gt; &lt;img src="url1"&gt; &lt;p class="liste"&gt;name2&lt;/p&gt; &lt;ul&gt; &lt;li&gt;25&lt;/li&gt; &lt;li&gt;123&lt;/li&gt; &lt;li&gt;423&lt;/li&gt; &lt;li&gt;346&lt;/li&gt; &lt;/ul&gt; &lt;p class="liste"&gt;name3&lt;/p&gt; &lt;ul&gt;&lt;/ul&gt; &lt;/div&gt; </code></pre> <p>If my assumption about the JSON structure you provided isn't correct, you can adjust the above code to provide the results you need.</p>
 

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