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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>jQuery UI Autocomplete - Combobox</title>
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<link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
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<script src="../../jquery-1.8.2.js"></script>
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<script src="../../ui/jquery.ui.core.js"></script>
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<script src="../../ui/jquery.ui.widget.js"></script>
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<script src="../../ui/jquery.ui.button.js"></script>
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<script src="../../ui/jquery.ui.position.js"></script>
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<script src="../../ui/jquery.ui.menu.js"></script>
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<script src="../../ui/jquery.ui.autocomplete.js"></script>
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<script src="../../ui/jquery.ui.tooltip.js"></script>
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<link rel="stylesheet" href="../demos.css">
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<style>
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.ui-combobox {
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position: relative;
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display: inline-block;
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}
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.ui-combobox-toggle {
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position: absolute;
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top: 0;
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bottom: 0;
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margin-left: -1px;
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padding: 0;
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/* adjust styles for IE 6/7 */
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*height: 1.7em;
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*top: 0.1em;
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}
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.ui-combobox-input {
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margin: 0;
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padding: 0.3em;
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}
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</style>
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<script>
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(function( $ ) {
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$.widget( "ui.combobox", {
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_create: function() {
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var input,
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that = this,
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select = this.element.hide(),
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selected = select.children( ":selected" ),
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value = selected.val() ? selected.text() : "",
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wrapper = this.wrapper = $( "<span>" )
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.addClass( "ui-combobox" )
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.insertAfter( select );
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function removeIfInvalid(element) {
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var value = $( element ).val(),
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matcher = new RegExp( "^" + $.ui.autocomplete.escapeRegex( value ) + "$", "i" ),
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valid = false;
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select.children( "option" ).each(function() {
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if ( $( this ).text().match( matcher ) ) {
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this.selected = valid = true;
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return false;
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}
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});
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if ( !valid ) {
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// remove invalid value, as it didn't match anything
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$( element )
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.val( "" )
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.attr( "title", value + " didn't match any item" )
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.tooltip( "open" );
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select.val( "" );
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setTimeout(function() {
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input.tooltip( "close" ).attr( "title", "" );
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}, 2500 );
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input.data( "autocomplete" ).term = "";
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return false;
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}
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}
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input = $( "<input>" )
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.appendTo( wrapper )
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.val( value )
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.attr( "title", "" )
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.addClass( "ui-state-default ui-combobox-input" )
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.autocomplete({
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delay: 0,
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minLength: 0,
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source: function( request, response ) {
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var matcher = new RegExp( $.ui.autocomplete.escapeRegex(request.term), "i" );
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response( select.children( "option" ).map(function() {
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var text = $( this ).text();
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if ( this.value && ( !request.term || matcher.test(text) ) )
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return {
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label: text.replace(
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new RegExp(
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"(?![^&;]+;)(?!<[^<>]*)(" +
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$.ui.autocomplete.escapeRegex(request.term) +
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")(?![^<>]*>)(?![^&;]+;)", "gi"
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), "<strong>$1</strong>" ),
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value: text,
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option: this
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};
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}) );
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},
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select: function( event, ui ) {
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ui.item.option.selected = true;
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that._trigger( "selected", event, {
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item: ui.item.option
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});
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},
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change: function( event, ui ) {
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if ( !ui.item )
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return removeIfInvalid( this );
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}
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})
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.addClass( "ui-widget ui-widget-content ui-corner-left" );
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input.data( "autocomplete" )._renderItem = function( ul, item ) {
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return $( "<li>" )
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.data( "item.autocomplete", item )
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.append( "<a>" + item.label + "</a>" )
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.appendTo( ul );
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};
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$( "<a>" )
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.attr( "tabIndex", -1 )
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.attr( "title", "Show All Items" )
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.tooltip()
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.appendTo( wrapper )
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.button({
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icons: {
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primary: "ui-icon-triangle-1-s"
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},
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text: false
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})
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.removeClass( "ui-corner-all" )
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.addClass( "ui-corner-right ui-combobox-toggle" )
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.click(function() {
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// close if already visible
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if ( input.autocomplete( "widget" ).is( ":visible" ) ) {
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input.autocomplete( "close" );
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removeIfInvalid( input );
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return;
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}
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// work around a bug (likely same cause as #5265)
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$( this ).blur();
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// pass empty string as value to search for, displaying all results
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input.autocomplete( "search", "" );
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input.focus();
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});
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input
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.tooltip({
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position: {
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of: this.button
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},
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tooltipClass: "ui-state-highlight"
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});
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},
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destroy: function() {
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this.wrapper.remove();
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this.element.show();
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$.Widget.prototype.destroy.call( this );
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}
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});
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})( jQuery );
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$(function() {
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$( "#combobox" ).combobox();
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$( "#toggle" ).click(function() {
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$( "#combobox" ).toggle();
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});
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});
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</script>
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</head>
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<body>
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<div class="ui-widget">
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<label>Your preferred programming language: </label>
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<select id="combobox">
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<option value="">Select one...</option>
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<option value="ActionScript">ActionScript</option>
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<option value="AppleScript">AppleScript</option>
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<option value="Asp">Asp</option>
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<option value="BASIC">BASIC</option>
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<option value="C">C</option>
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<option value="C++">C++</option>
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<option value="Clojure">Clojure</option>
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<option value="COBOL">COBOL</option>
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<option value="ColdFusion">ColdFusion</option>
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<option value="Erlang">Erlang</option>
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<option value="Fortran">Fortran</option>
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<option value="Groovy">Groovy</option>
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<option value="Haskell">Haskell</option>
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<option value="Java">Java</option>
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<option value="JavaScript">JavaScript</option>
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<option value="Lisp">Lisp</option>
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<option value="Perl">Perl</option>
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<option value="PHP">PHP</option>
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<option value="Python">Python</option>
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<option value="Ruby">Ruby</option>
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<option value="Scala">Scala</option>
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<option value="Scheme">Scheme</option>
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</select>
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</div>
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<button id="toggle">Show underlying select</button>
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<div class="demo-description">
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<p>A custom widget built by composition of Autocomplete and Button. You can either type something into the field to get filtered suggestions based on your input, or use the button to get the full list of selections.</p>
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<p>The input is read from an existing select-element for progressive enhancement, passed to Autocomplete with a customized source-option.</p>
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<p>This is not a supported or even complete widget. Its purely for demoing what autocomplete can do with a bit of customization. <a href="http://www.learningjquery.com/2010/06/a-jquery-ui-combobox-under-the-hood">For a detailed explanation of how the widget works, check out this Learning jQuery article.</a></p>
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</div>
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</body>
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</html>
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