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<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Array slice() — copy</title>
</head>
<body>
  <h1>slice() — shallow copy</h1>
  <pre id="out"></pre>
  <script>
    (function () {
      var fruits = ["apple", "orange", "banana"];
      var copy = fruits.slice();
      document.getElementById("out").textContent =
        JSON.stringify(copy) + "\n" + String(copy === fruits);
    })();
  </script>
</body>
</html>

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JavaScript Array slice() — shallow copy (Try It)