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<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Array pop() — basic</title>
</head>
<body>
  <h1>pop() — remove last</h1>
  <pre id="out"></pre>
  <script>
    (function () {
      var colors = ["red", "green", "blue", "yellow"];
      var removed = colors.pop();
      document.getElementById("out").textContent =
        removed + "\n" + JSON.stringify(colors);
    })();
  </script>
</body>
</html>

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JavaScript Array pop() — remove last (Try It)