<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 ----------> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> <div class="center"> <p> </p><div class="input-group"> <span class="input-group-btn"> <button type="button" class="btn btn-danger btn-number" data-type="minus" data-field="quant[2]"> <span class="glyphicon glyphicon-minus"></span> </button> </span> <input type="text" name="quant[2]" class="form-control input-number" value="10" min="1" max="100"> <span class="input-group-btn"> <button type="button" class="btn btn-success btn-number" data-type="plus" data-field="quant[2]"> <span class="glyphicon glyphicon-plus"></span> </button> </span> </div> <p></p> <script> function qtyBox(pElementId, pDataId){ var innerHTML=''; innerHTML = " <div class='input-group' style='width:150px;'>" + " <span class='input-group-btn'> " + " <button class='btn' onclick='document.getElementById(\"" + pDataId + "\").value--'> " + " <span class='glyphicon glyphicon-chevron-down'></span> " + " </button> " + " </span> " + " <input type='text' id='" + pDataId + "' class='form-control input-number' value='10'> " + " <span class='input-group-btn'> " + " <button class='btn' onclick='document.getElementById(\"" + pDataId + "\").value++'> " + " <span class='glyphicon glyphicon-chevron-up'></span> " + " </button> " + " </span> " + " </div> "; document.getElementById(pElementId).innerHTML = innerHTML; } </script> <div id='qty'></div> <button onclick="qtyBox('qty','qqq');">go</button> <div class="input-group" style="width:150px;"> <span class="input-group-btn"> <button class="btn" onclick="document.getElementById('q[1]').value--"> <span class="glyphicon glyphicon-chevron-down"></span> </button> </span> <input type="text" id="q[1]" name="quant[2]" class="form-control input-number" value="10" min="1" max="100"> <span class="input-group-btn"> <button class="btn" onclick="document.getElementById('q[1]').value++"> <span class="glyphicon glyphicon-chevron-up"></span> </button> </span> </div> </div>