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    <p>With some trick work you could do something around :</p> <p><strong>JS</strong></p> <pre><code>$( "#tags" ).autocomplete({ source: availableTags, focus:function(e){e.stopPropagation();return false;}, select:function(e){e.stopPropagation();return false;} }); </code></pre> <p><strong>CSS</strong></p> <pre><code>.ui-autocomplete .ui-state-focus{ border:0 !important; background:0 !important; } </code></pre> <p><a href="http://jsfiddle.net/techunter/zyGNQ/" rel="nofollow">http://jsfiddle.net/techunter/zyGNQ/</a></p> <p><strong>EDIT :</strong></p> <p>You need to modify the renderer then :</p> <pre><code>$( "#tags" ).autocomplete({ source: availableTags, focus:function(e, ui){ //if focusing on the extra elements return false thus doing nothing return ui.item.idx&lt;=2; }, select:function(e, ui){ //if selecting on the extra elements return false thus doing nothing return ui.item.idx&lt;=2;} }) .data( "ui-autocomplete" )._renderItem = function( ul, item ) { //small trick to get the current element index while the list is constructing, we set this as a helper for later usage inside the item. item.idx=ul[0].childElementCount; return $( "&lt;li&gt;" ) //if index is greater than 2 then we add a custom 'disable' class. this will help formating the disabled elements .toggleClass('disable',ul[0].childElementCount&gt;2) //appending the element .append( "&lt;a&gt;" + item.label + "&lt;/a&gt;" ).appendTo( ul ); }; </code></pre> <p><strong>EDIT 2, e.toElement trick</strong></p> <p>found this while looking into the event :</p> <pre><code>$("#tags").autocomplete({ source: availableTags, focus: function (e, ui) { $(e.toElement).toggleClass('ui-state-focus', ui.item.idx &lt;= 2); return ui.item.idx &lt;= 2; }, select: function (e, ui) { return ui.item.idx &lt;= 2; } }).data("ui-autocomplete")._renderItem = function (ul, item) { item.idx = ul[0].childElementCount; return $("&lt;li&gt;").append("&lt;a&gt;" + item.label + "&lt;/a&gt;").appendTo(ul); }; </code></pre> <p>No more need of the CSS.</p> <p><a href="http://jsfiddle.net/techunter/zyGNQ/" rel="nofollow">http://jsfiddle.net/techunter/zyGNQ/</a></p>
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    1. POHow to disable element in jQuery autocomplete list
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    1. COthe CSS need some tuning but you get the point
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    2. COYou have disabled all of them - how to disable only the last one, if more than 3 elements in the list?
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    3. CO@JohnMalli see my edit then :)
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