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<!DOCTYPE html>
<html class="reftest-wait">
  <head>
    <meta charset="UTF-8">
    <title>CSS Test: :dir() selector</title>
    <link rel="author" title="Astley Chen" href="mailto:aschen@mozilla.com">
    <link rel="author" title="Mozilla" href="https://www.mozilla.org">
    <link rel="help" href="https://drafts.csswg.org/selectors-4/#the-dir-pseudo">
    <meta name="assert" content="Test checks :dir() basic functions after dynamic directionality change on elements.">
    <link rel="match" href="dir-style-01-ref.html">
    <style>
      div { text-align: left; }
      :dir(ltr) { color: blue }
      :dir(rtl) { color: lime }
      :dir(foopy) { color: red }
    </style>
    <script>
      function switchDir()
      {
        divs = document.getElementsByTagName("div");
        divs[0].offsetWidth; // ensure it's a dynamic change
        for (var i = 0; i < divs.length; ++i) {
          theDiv = divs[i];
          if (theDiv.dir == "ltr") {
            theDiv.dir = "rtl";
          } else if (theDiv.dir == "rtl") {
            theDiv.dir = "ltr";
          }
        }

        document.documentElement.removeAttribute("class");
      }
    </script>
  </head>
  <body onload="switchDir()">
    <div>This element has default direction.</div>
    <div dir="rtl">This element is ltr.</div>
    <div dir="ltr">This element is rtl.</div>
    <div dir="rtl">
      <div>This element should inherit ltr.</div>
      <div dir="rtl">This element is ltr.</div>
      <div dir="ltr">This element is rtl.</div>
      <div><span>Every <span>word <span>in <span>this <span>element <span>should <span>inherit <span>ltr</span></span></span></span></span></span></span></span>.</div>
    </div>
    <div dir="ltr">
      <div>This element should inherit rtl.</div>
      <div dir="rtl">This element is ltr.</div>
      <div dir="ltr">This element is rtl.</div>
      <div><span>Every <span>word <span>in <span>this <span>element <span>should <span>inherit <span>rtl</span></span></span></span></span></span></span></span>.</div>
    </div>
    <div dir="foopy">This element has an invalid dir attribute and
      should have default direction.</div>
  </body>
</html>