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<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Lodash _.flip subtract</title>
</head>
<body>
  <h1>Subtract vs flipped subtract</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    (function () {
      var subtract = function (a, b) {
        return a - b;
      };
      var flippedSubtract = _.flip(subtract);
      document.getElementById("out").textContent = JSON.stringify({
        normal: subtract(10, 3),
        flipped: flippedSubtract(10, 3)
      });
    })();
  </script>
</body>
</html>

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Lodash _.flip — binary subtract (Try It)