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  <title>stubTrue — cond</title>
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  <h1>Cond default branch</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    var grade = _.cond([
      [function (n) { return n >= 90; }, _.constant("A")],
      [function (n) { return n >= 70; }, _.constant("B")],
      [_.stubTrue, _.constant("C")]
    ]);

    var lines = [grade(95), grade(75), grade(40)];
    document.getElementById("out").textContent = lines.join("\n");
  </script>
</body>
</html>

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Lodash _.stubTrue — cond default (Try It)