Untitled

   <link href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.7/css/select2.min.css" rel="stylesheet"/>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.7/js/select2.min.js"></script>
    <script>
        $(document).ready(function() {
            $('#selectRow').select2();
            $('#select2Example2').select2();
        });
        $(document).ready(function() {
            $('#selectRow').select2();
        });
    </script>

</head>
<body>
<div class="selectRow">
    <select id="singleSelectExample">
        <option></option>
        <option value="1">Option 1</option>
        <option value="2">Option 2</option>
        <option value="3">Option 3</option>
        <option value="4">Option 4</option>
        <option value="5">Option 5</option>
    </select>


    <div>