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POJQuery UI Autocomplete focus() being called unexpectedly in Internet Explorer
 

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    <p>I've created a simple auto-complete control using JQuery UI. I have a default value for the input field that reads "Enter your keywords...". I've set up a <em>focus()</em> event that will clear the input when a user sets the focus to the input field to being typing.</p> <p>In IE when you being typing and the menu displays a list of items, when picking an item from the menu item <em>focus()</em> is called again. This extra call to <em>focus()</em> only happens in IE. The side effect is that the selected menu item is cleared from the text field.</p> <p>I have a very primitive solution to this by making use of the <code>autocomplete.focus()</code> event. This event is fired when the user hovers over a selected menu item. Here I can set a global boolean variable that can be used to tell the focus() event on the input field that the menu item is active/visible and thus not to clear the input value. This is a hack, of course!</p> <p>Is there an alternative (less hacky!) solution to this problem?</p> <p>Here is the code:</p> <pre><code>&lt;html xmlns="http://www.w3.org/1999/xhtml"&gt; &lt;head&gt; &lt;title&gt;Autocomplete demo&lt;/title&gt; &lt;link type="text/css" href="css/ui-lightness/jquery-ui-1.8.18.custom.css" rel="stylesheet" /&gt; &lt;script type="text/javascript" src="js/jquery-1.7.1.min.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="js/jquery-ui-1.8.18.custom.min.js"&gt;&lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;script&gt; $(function () { var availableTags = [ "ActionScript", "AppleScript", "Asp", "BASIC", "C", "C++", "Clojure", "COBOL", "ColdFusion", "Erlang", "Fortran", "Groovy", "Haskell", "Java", "JavaScript", "Lisp", "Perl", "PHP", "Python", "Ruby", "Scala", "Scheme" ]; $("#tags").autocomplete({ source: availableTags, focus: function (event, ui) { // This event fires when an item from the menu is selected (in focus) // set some variable here to tell the focus() call to the text field not to clear the value from the input field }, }); $("#tags").focus(function () { // clear the input value $("#tags").val(""); }); }); &lt;/script&gt; &lt;div class="demo"&gt; &lt;div class="ui-widget"&gt; &lt;label for="tags"&gt;Tags: &lt;/label&gt; &lt;input id="tags" value="Enter your keywords..." /&gt; &lt;/div&gt; &lt;/div&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <h1>UPDATE</h1> <p>With the slight tweak to this solution and with help from the provided answer this now works in IE 8 &amp; 9.</p> <pre><code>$(document).ready(function () { var availableTags = [ "ActionScript", "AppleScript", "Asp", "BASIC", "C", "C++", "Clojure", "COBOL", "ColdFusion", "Erlang", "Fortran", "Groovy", "Haskell", "Java", "JavaScript", "Lisp", "Perl", "PHP", "Python", "Ruby", "Scala", "Scheme" ]; $("#tags").autocomplete({ source: availableTags }); $("#tags").focus(function () { // clear the input value $("#tags").val(""); return false; }); }) </code></pre>
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