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  <title>Lodash _.unary — map + Number</title>
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  <h1>_.map(values, _.unary(Number))</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    (function () {
      var doubled = _.map(["2", "4", "8"], _.unary(Number));
      document.getElementById("out").textContent = JSON.stringify(doubled);
    })();
  </script>
</body>
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Lodash _.unary — lodash map + Number (Try It)