"Several Dynamic Form Fields on one page - Add & Remove BS3"
Bootstrap 3.3.0 Snippet by ua3acf

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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="row">
<div class="col col-md-2">
<div class="fld_wrap" id="fld1">
<div class="input-group">
<input class="form-control" type="text" name="fld_val1">
<span class="input-group-btn"><button fldnum="1" class="btn btn-success add_button" type="button"><span class="glyphicon glyphicon-plus"></span></button></span>
</div>
</div>
Click + to add another form field
</div>
<div class="col col-md-2">
<div class="fld_wrap" id="fld2">
<div class="input-group">
<input class="form-control" type="text" name="fld_val2">
<span class="input-group-btn"><button fldnum="2" class="btn btn-success add_button" type="button"><span class="glyphicon glyphicon-plus"></span></button></span>
</div>
</div>
Click + to add another form field
</div>
<div class="col col-md-2">
<div class="fld_wrap" id="fld3">
<div class="input-group">
<input class="form-control" type="text" name="fld_val3">
<span class="input-group-btn"><button fldnum="3" class="btn btn-success add_button" type="button"><span class="glyphicon glyphicon-plus"></span></button></span>
</div>
</div>
Click + to add another form field
</div>
</div>
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.input-group:not(:first-of-type) { margin-top: 10px; }
.glyphicon { font-size: 12px; }
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$(document).ready(function(){
$('.add_button').click(function(){
var kakoi=$(this).attr('fldnum');
var insHTML = '<div class="input-group"><input class="form-control" type="text" name="fld_val'+kakoi+'"><span class="input-group-btn"><button class="btn btn-danger remove_button" type="button"><span class="glyphicon glyphicon-minus"></span></button></span></div>';
$("#fld"+kakoi).append(insHTML);
});
$('.fld_wrap').on('click', '.remove_button', function(e){
e.preventDefault();
$(this).parents(':eq(1)').remove();
});
});
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