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    <p>I think you need to use the callback option for the <a href="http://jqueryui.com/demos/autocomplete/#option-source" rel="nofollow"><code>source</code></a>, in order to abort the AJAX request. Quoting from the overview of the autocomplete widget: </p> <blockquote> <p>The callback gets two arguments:</p> <ul> <li>A request object, with a single property called "term", which refers to the value currently in the text input. For example, when the user entered "new yo" in a city field, the Autocomplete term will equal "new yo".</li> <li>A response callback, which expects a single argument to contain the data to suggest to the user. This data should be filtered based on the provided term, and can be in any of the formats described above for simple local data (String-Array or Object-Array with label/value/both properties). It's important when providing a custom source callback to handle errors during the request. You must always call the response callback even if you encounter an error. This ensures that the widget always has the correct state.</li> </ul> </blockquote> <p>In your case, it'll probably look something like the following:</p> <pre><code>$("#autoComp").autocomplete({ source: function(request, response) { var searchString = request.term; // ajax call to remote server, perhaps filtered with searchString $(this).data('xhr', $.ajax({ ... success: function(data) { ... // pass back the data filtered by searchString response(filteredList); } })); }, minLength: 0, focus: function() { $(this).autocomplete("search"); } }) // cancel the request when user click away from the input box .blur(function() { var xhr = $(this).data('xhr'); if (xhr) xhr.abort(); }); </code></pre>
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    1. POjquery ui autocomplete does't close options menu if there is no focus when ajax returns
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    1. USWilliam Niu
    1. USWilliam Niu
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    1. POjquery ui autocomplete does't close options menu if there is no focus when ajax returns
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    1. COI had no idea that jquery objects can store associated data, so that's a good idea. However, I have a loading animation going on by the autocomplete loading class. If I do things your way, I have to remove the class myself right? Is that problematic?
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    2. COWhat do you mean by "a loading animation going on by the autocomplete loading class"? Using a callback as source only gives you more flexibility, so I don't think it would hinder you providing animation. Could you update your answer with some code?
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    3. COautocomplete adds automatically the "ui-autocomplete-loading" class (for the duration of the loading) that can be used for adding indication that it is loading. It removes this automatically once the ajax returned. If you abort it I'm assuming you have to remove it with another line of code, right?
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