"Vote up and down script using bootstrap"
Bootstrap 3.3.0 Snippet by MTaqi

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<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>
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$("#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);
});
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