HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Default path trap</title>
</head>
<body>
  <h1>Default vs path=/</h1>
  <button type="button" id="narrow">Set without path</button>
  <button type="button" id="wide">Set with path=/</button>
  <pre id="out"></pre>
  <script>
    document.getElementById("narrow").addEventListener("click", function () {
      document.cookie = "prefs=compact; max-age=604800";
      document.getElementById("out").textContent =
        "Set prefs WITHOUT path (defaults to this directory)\n\n" + document.cookie;
    });
    document.getElementById("wide").addEventListener("click", function () {
      document.cookie = "prefs=compact; path=/; max-age=604800";
      document.getElementById("out").textContent =
        "Set prefs WITH path=/ (site-wide)\n\n" + document.cookie;
    });
  </script>
</body>
</html>

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