httpsss://js.do/powenko/02-select

<!-- edit your html here -->
 <select id="my-dropdown" name="my-dropdown">
            <option value="0">Please Select</option>
            <option value="1">West</option>
            <option value="2">Land</option>
            <option value="3">Easter</option>
            <option value="4">Springtime</option>
            <option value="5">Celtic</option>
            <option value="6">Spectacular/</option>
            <option value="7">Weekend</option>
            <option value="8">Dark</option>
            <option value="9">Treasures</option>
        </select>
    <button class="go-btn" type="submit">
        Go
    </button>
        
<script src="//ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
<script>
$('.go-btn').click(function() {
    alert(" If you just want value ==>"  + $('#my-dropdown').val()); 
});
</script>