HTML multiple select box

Here’s a little sample to get you started: http://jsfiddle.net/eUDRV/3/

This example will move items (one or multiple) from the left to the right and back again. Whatever item(s) are selected in the right side will update the textbox on the right side.

We are using the elements:

  • select
  • input type="button"
  • input type="text"

Framed by:

  • div
  • section

Styled with simple CSS. Functionality is provided with JavaScript.

I’m using the jQuery library to make things a little easier. This could also be done with pure JavaScript.

$("#btnLeft").click(function () {
    var selectedItem = $("#rightValues option:selected");
    $("#leftValues").append(selectedItem);
});

$("#btnRight").click(function () {
    var selectedItem = $("#leftValues option:selected");
    $("#rightValues").append(selectedItem);
});

$("#rightValues").change(function () {
    var selectedItem = $("#rightValues option:selected");
    $("#txtRight").val(selectedItem.text());
});
SELECT, INPUT[type="text"] {
    width: 160px;
    box-sizing: border-box;
}
SECTION {
    padding: 8px;
    background-color: #f0f0f0;
    overflow: auto;
}
SECTION > DIV {
    float: left;
    padding: 4px;
}
SECTION > DIV + DIV {
    width: 40px;
    text-align: center;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<section class="container">
    <div>
        <select id="leftValues" size="5" multiple></select>
    </div>
    <div>
        <input type="button" id="btnLeft" value="&lt;&lt;" />
        <input type="button" id="btnRight" value="&gt;&gt;" />
    </div>
    <div>
        <select id="rightValues" size="4" multiple>
            <option>1</option>
            <option>2</option>
            <option>3</option>
        </select>
        <div>
            <input type="text" id="txtRight" />
        </div>
    </div>
</section>

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