Getting array of selected checkbox attributes

In the web application I'm currently working on there are a lot of places where I have many HTML checkboxes that I need to turn into a JS array of selected items. For example:

<input type="checkbox" class="example" data-item="3">
<input type="checkbox" class="example" data-item="5">
<input type="checkbox" class="example" data-item="7">
<input type="checkbox" class="example" data-item="11">

Then I have a lot of logic like this to pack the selected values into an array:

var items = [];
$('.example[data-item]:checked').each(function (_, e) {
    items.push(Number($(e).data('item')));
});

My question is just this: Is there some nice way to do this in a one-liner (jQuery is allowed if needed), e.g.:

var items = /* magic */;

I realize I could write a function for this, and I will if there is no way to do it clearly otherwise, but I'm looking for some built-in JS magic that can do it all at once.

---

For completeness here's a snippet:

$('#button').click(function () {
  var items = [];
  $('.example[data-item]:checked').each(function (_, e) {
    items.push(Number($(e).data('item')));
  });
  alert(JSON.stringify(items));
});

label { display: flex; align-items: center; }
div { display: inline-flex; flex-direction: column; }
button { margin: 1ex; }

<script src="http://ift.tt/1oMJErh"></script>
<div>
<label><input type="checkbox" class="example" data-item="3"> Item 3</label>
<label><input type="checkbox" class="example" data-item="5"> Item 5</label>
<label><input type="checkbox" class="example" data-item="7"> Item 7</label>
<label><input type="checkbox" class="example" data-item="11"> Item 11</label>
<label><input type="checkbox" class="example" data-item="13"> Item 13</label>
<label><input type="checkbox" class="example" data-item="17"> Item 17</label>
<label><input type="checkbox" class="example" data-item="19"> Item 19</label>
<button id="button">Click Me</button>
</div>