<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="well"> <h1><a href="http://jquery2dotnet.com">Vote up and down script using bootstrap</a></h1> <div class="row"> <div class="col-sm-3 col-md-3 col-lg-3"> <div class="input-group"> <span class="input-group-btn"><button type="button" id="increaseButton" class="btn btn-success">+</button></span> <input type="text" class="form-control" id="vote" placeholder="Vote" /> <span class="input-group-btn"><button type="button" id="decreaseButton" class="btn btn-danger">-</button></span> </div> </div> </div> </div>

$("#vote").val('0'); // Create a click handler for your increment button $("#increaseButton").click(function () { var newValue = 1 + parseInt($("#vote").val()); $("#vote").val(newValue); }); // .. and your decrement button $("#decreaseButton").click(function () { var newValue = parseInt($("#vote").val()) - 1; $("#vote").val(newValue); });