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  <meta charset="utf-8">

  <title>Lodash wrapper .commit() - commit then last</title>

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  <h1>Commit, then keep chaining</h1>

  <pre id="out"></pre>

  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>

  <script>

    (function () {

      var array = [1, 2];
      var wrapped = _(array).push(3).commit();
      var lastValue = wrapped.last();

      document.getElementById("out").textContent =
        "last value: " + lastValue + "\n" +
        "array: " + JSON.stringify(array);

    })();

  </script>

</body>

</html>

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Lodash wrapper .commit() - then keep chaining (Try It)