<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<div class="row">
<div class="col"></div>
<div class="col-8" id="main">
<h2>Hacked JQuery way</h2>
<input type="checkbox" id="test-checkbox" name="test" class="cb-checkbox">
<label for="test-checkbox" class="btn btn-outline-primary btn-sm">Test text</label>
<span id="test-if-checked" style="display:none;">Checked</span>
<br />
<h2>Bootstrap docs way, not working</h2>
<label class="btn btn-outline-primary btn-sm">
<input type="checkbox" autocomplete="off" data-toggle="button"> Checkbox 1 (pre-checked)
</label>
</div>
<div class="col"></div>
</div>
</div>