<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Test DocumentL10n in HTML environment</title>
  <link rel="localization" href="test.ftl"/>
  <script type="text/javascript">
    document.testsReadyPromise = new Promise((resolve) => {
      // The test is in this file to ensure that we're testing
      // the behavior in a non-system principal.
      document.addEventListener("DOMContentLoaded", async () => {
        await document.l10n.ready;

        // Assign the localization from JS
        let label = document.getElementById("label1");
        document.l10n.setAttributes(
          label,
          "subtitle",
          {
            name: "Firefox",
          }
        );

        const customMsg = await document.l10n.formatValue("custom-message");
        document.getElementById("customMessage").textContent = customMsg;
        resolve();
      }, {once: true});
    });
  </script>
</head>
<body>
  <h1 id="main-desc" data-l10n-id="page-title"></h1>

  <p id="label1"></p>
  <p id="customMessage"></p>
</body>
</html>
