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<head>
  <meta charset="utf-8">
  <title>cloneWith — vs cloneDeepWith</title>
</head>
<body>
  <h1>cloneWith vs cloneDeepWith</h1>
  <pre id="out"></pre>
  <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
  <script>
    var source = { nest: { n: 1 } };
    var shallow = _.cloneWith(source, function () {});
    var deep = _.cloneDeepWith(source, function () {});
    document.getElementById("out").textContent =
      String(shallow.nest === source.nest) + "\n" +
      String(deep.nest === source.nest);
  </script>
</body>
</html>

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Lodash _.cloneWith — vs cloneDeepWith (Try It)