Select2 Demo

by OwenMelbz

HTML

<script src="http://ivaynberg.github.com/select2/select2-master/select2.js"></script>
<link rel="stylesheet" href="http://ivaynberg.github.com/select2/select2-master/select2.css">
<select style="width:300px" id="source">
    <optgroup label="Alaskan/Hawaiian Time Zone">
        <option value="AK">Alaska</option>
        <option value="HI">Hawaii</option>
    </optgroup>
    <optgroup label="Pacific Time Zone">
        <option value="CA">California</option>
        <option value="NV">Nevada</option>
        <option value="OR">Oregon</option>
        <option value="WA">Washington</option>
    </optgroup>
    <optgroup label="Mountain Time Zone">
        <option value="AZ">Arizona</option>
        <option value="CO">Colorado</option>
        <option value="ID">Idaho</option>
        <option value="MT">Montana</option>
        <option value="NE">Nebraska</option>
        <option value="NM">New Mexico</option>
        <option value="ND">North Dakota</option>
        <option value="UT">Utah</option>
        <option value="WY">Wyoming</option>
    </optgroup>
    <optgroup label="Central Time Zone">
        <option value="AL">Alabama</option>
        <option value="AR">Arkansas</option>
        <option value="IL">Illinois</option>
        <option value="IA">Iowa</option>
        <option value="KS">Kansas</option>
        <option value="KY">Kentucky</option>
        <option value="LA">Louisiana</option>
        <option value="MN">Minnesota</option>
        <option value="MS">Mississippi</option>
        <option value="MO">Missouri</option>
        <option value="OK">Oklahoma</option>
        <option value="SD">South Dakota</option>
        <option value="TX">Texas</option>
        <option value="TN">Tennessee</option>
        <option value="WI">Wisconsin</option>
    </optgroup>
    <optgroup label="Eastern Time Zone">
        <option value="CT">Connecticut</option>
        <option value="DE">Delaware</option>
        <option value="FL">Florida</option>
        <option...

CSS

img.flag {
    height: 10px;
    width: 15px;
    padding-right: 10px;
}
img {
    width: auto\9;
    height: auto;
    max-width: 100%;
    vertical-align: middle;
    border: 0;
    -ms-interpolation-mode: bicubic;
}
.preview {
    float: right;
}
}

JavaScript

$("#source").select2({
    formatResult: format,
    formatSelection: format,
    escapeMarkup: function (m) {
        return m;
    }
});

$('#source').on('select2-highlight', function (data) {
    var img = 'http://ivaynberg.github.io/select2/images/flags/' + data.val.toLowerCase() + '.png';
    $('.preview img').attr('src', img);
});

function format(state) {
    if (!state.id) return state.text; // optgroup
    return "<img class='flag' height='15' width='15' src='http://ivaynberg.github.io/select2/images/flags/" + state.id.toLowerCase() + ".png'/>" + state.text;
}