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  <title>Lodash _.meanBy — basics</title>
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<body>
  <h1>_.meanBy — docs baseline</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    (function () {
      var objects = [{ n: 4 }, { n: 2 }, { n: 8 }, { n: 6 }];
      var records = [
        { duration: { minutes: 30 } },
        { duration: { minutes: 45 } },
        { duration: { minutes: 60 } }
      ];
      var lines = [
        "fn iteratee:                 " + _.meanBy(objects, function (o) { return o.n; }),
        'path "n":                    ' + _.meanBy(objects, "n"),
        'nested path "duration.minutes": ' + _.meanBy(records, "duration.minutes")
      ];
      document.getElementById("out").textContent = lines.join("\n");
    })();
  </script>
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Lodash _.meanBy — docs baseline (Try It)