How to close a Twitter Bootstrap popover by clicking outside

How to close a Twitter Bootstrap popover by clicking outside

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.2/css/bootstrap.min.css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.2/js/bootstrap.min.js"></script>
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<div class="bs-example tooltip-demo">
    <div class="bs-example-tooltips">
        <button type="button" class="btn btn-default" data-container="body" data-toggle="popover" data-placement="top" data-content="Vivamus sagittis lacus vel augue laoreet rutrum faucibus." data-original-title="" title="">Popover on top</button>
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        <button type="button" class="btn btn-default" data-container="body" data-toggle="popover" data-placement="bottom" data-content="Vivamus sagittis lacus vel augue laoreet rutrum faucibus." data-original-title="" title="">Popover on bottom</button>
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        <button type="button" class="btn btn-default" data-container="body" data-toggle="popover" data-placement="right" data-content="Vivamus sagittis lacus vel augue laoreet rutrum faucibus." data-original-title="" title="">Popover on right</button>
    </div>
</div>

JavaScript

$('[data-toggle="popover"]').popover();

$('body').on('click', function(e) {
    if(!$(e.target).closest('.popover').length) {
        $('.popover').each(function(){
            $(this.previousSibling).popover('hide');
        });
    }
});