Confirm fired twice

This shows that confirm is fired twice in some browsers

HTML

<script src="//code.jquery.com/jquery-1.12.0.min.js"></script>
<div class="myBtn" data-field="one">Take one</div>
<div class="myBtn" data-field="two">Take two</div>
<div class="myBtn" data-field="three">Take three</div>
<div class="myBtn" data-field="four">Take four</div>

JavaScript

$(document).ready(function () {
    $(document).on('click', '.myBtn', function () {
        console.log('Let us check...');
        var confirmation = confirm('Are you sure you want ' + $(this).data('field') + '?');
        console.log(confirmation);
    });
});