doc_cssom.html - mozsearch

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<!-- Any copyright is dedicated to the Public Domain.

     http://creativecommons.org/publicdomain/zero/1.0/ -->

<html>

<head>

  <title>CSSOM test</title>

  <script>

    "use strict";

    window.onload = function() {

      const x = document.styleSheets[0];

      x.insertRule("div { color: seagreen; }", 1);

      // Add a rule with a leading newline, to test that inspector can handle it.

      x.insertRule("\ndiv { font-weight: bold; }", 1);

};

  </script>

  <style>

    span { }

  </style>

</head>

<body>

  <div id="target"> the ocean </div>

</body>

</html>