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  <title>Lodash isNull — void &amp; zero</title>
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  <h1>_.isNull — void 0 &amp; 0</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    (function () {
      document.getElementById("out").textContent =
        "void0: " + _.isNull(void 0) + "\n" +
        "zero: " + _.isNull(0);
    })();
  </script>
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Lodash _.isNull — void 0 & zero (Try It)