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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>JSON data types — nested</title>
</head>
<body>
  <h1>Nested object and array</h1>
  <pre id="out"></pre>
  <script>
    (function () {
      var user = {
        id: 1,
        name: "Ada",
        roles: ["admin", "editor"],
        profile: {
          city: "London",
          verified: true
        }
      };

      document.getElementById("out").textContent = [
        user.roles[0],
        user.profile.city,
        user.profile.verified
      ].join("\n");
    })();
  </script>
</body>
</html>

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JSON Data Types — nested values (Try It)