jQuery utilise le plug-in Selectator pour implémenter une boîte de filtre de liste déroulante à sélection multiple (avec téléchargement du code source)_jquery

<link rel="stylesheet" href="fm.selectator.jquery.css"/>
<script src="jquery-1.11.0.min.js"></script>
<script src="fm.selectator.jquery.js"></script>

<label for="select">
Multi select with custom content:
</label>
<select id="select" name="select" multiple>
<optgroup label="Group one" class="group_one">
<option value="1" class="option_one" data-subtitle="Et" data-left="<img src='images/ingi.png'>" data-right="1">One</option>
<option value="2" class="option_two" data-subtitle="To" data-left="<img src='images/runa.png'>" data-right="2">Two</option>
</optgroup>
<optgroup label="Group two" class="group_two">
<option value="3" class="option_three" data-subtitle="Tre" data-left="<img src='images/jogvan.png'>" data-right="3">Three</option>
<option value="4" class="option_four" selected data-left="<img src='images/noimage.png'>" data-right="4">Four</option>
<option value="5" class="option_five" selected data-left="<img src='images/noimage.png'>" data-right="5">Five</option>
<option value="6" class="option_six">Six</option>
</optgroup>
<optgroup label="Group three" class="group_three">
<option value="7" class="option_seven">Seven</option>
</optgroup>
<option value="8" class="option_eight" data-subtitle="Otte">Eight</option>
<option value="9" class="option_nine">Nine</option>
<option value="10" class="option_ten" selected>Ten</option>
<option value="11" class="option_eleven" selected>Eleven</option>
<option value="12" class="option_twelve">Twelve</option>
<option value="13" class="option_thirteen">Thirteen</option>
<option value="14" class="option_fourteen">Fourteen</option>
</select>
<input value="activate selectator" id="activate_selectator4" type="button">

$('#selectBox').selectator();

<select multiple class="selectator" data-selectator-keep-open="true">

$('#selectBox').selectator({
prefix: 'selectator_', // CSS class prefix
height: 'auto', // auto or element
useDimmer: false, // dims the screen when option list is visible
u**arch: true, // if false, the search boxes are removed and 
// `showAllOptionsOnFocus` is forced to true
keepOpen: false, // if true, then the dropdown will not close when 
// selecting options, but stay open until losing focus
showAllOptionsOnFocus: false, // shows all options if input box is empty
selectFirstOptionOnSearch: true, // selects the topmost option on every search
searchCallback: function(value){}, // Callback function when enter is pressed and 
// no option is active in multi select box
labels: {
search: 'Search...' // Placeholder text in search box in single select box
}
});

<select id="selectBox">
<!-- Normal option tag -->
<option value="1">This is the title</option>
<!-- Extended option tag -->
<option value="2" data-left="This is the left section"
data-right="This is the right section"
data-subtitle="This is the section under the title">This is the title</option>
</select>