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<head>
  <meta charset="utf-8">
  <title>Array.of() — spread</title>
</head>
<body>
  <h1>Array.of() — spread</h1>
  <pre id="out"></pre>
  <script>
    (function () {
      function toArray() {
        return Array.of.apply(null, arguments);
      }
      var scores = toArray(88, 92, 76);
      document.getElementById("out").textContent =
        JSON.stringify(scores) + "\n" + String(scores.length);
    })();
  </script>
</body>
</html>

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JavaScript Array.of() — spread args (Try It)