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  <title>Lodash _.maxBy — edges</title>
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  <h1>_.maxBy — empty / NaN / default</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    (function () {
      var topScore = _.maxBy([], "v");
      var defaulted = topScore == null ? { v: 0 } : topScore;
      var lines = [
        'maxBy([], "v"):                       ' + JSON.stringify(_.maxBy([], "v")),
        'maxBy(null, "v"):                     ' + JSON.stringify(_.maxBy(null, "v")),
        'defaulted (?? { v: 0 }):              ' + JSON.stringify(defaulted),
        'maxBy([{v:1},{v:NaN},{v:3}], "v"):    ' + JSON.stringify(_.maxBy([{ v: 1 }, { v: NaN }, { v: 3 }], "v")),
        "maxBy([3,1,5,2]) (no iteratee):       " + _.maxBy([3, 1, 5, 2])
      ];
      document.getElementById("out").textContent = lines.join("\n");
    })();
  </script>
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Lodash _.maxBy — empty, NaN, default iteratee (Try It)