<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>writing-mode</title>
    <style>
      p {
        display: inline-block;
        margin: 10px;
      }
      .line-through {
        text-decoration: line-through wavy rgba(0, 0, 0, 0.3);
      }
      ::-moz-selection {
        background-color: white;
        color: black;
      }
      .wm-vertical-lr {
        writing-mode: vertical-lr;
        display: inline-block;
      }
      .wm-vertical-rl {
        writing-mode: vertical-rl;
      }
      .wm-sideways-lr {
        writing-mode: sideways-lr;
      }
      .wm-sideways-rl {
        writing-mode: sideways-rl;
      }
    </style>
    <script type="text/javascript" charset="utf-8">
      function select() {
        window.getSelection().removeAllRanges();
        var elems = document.getElementsByTagName('p');
        for (var i = 0; i < elems.length; ++i) {
          var range = document.createRange();
          range.setStart(elems[i].firstChild, 2);
          range.setEnd(elems[i].firstChild, 9);
          window.getSelection().addRange(range);
        }
      }
    </script>
  </head>
  <body onload="select()">
    <p lang="zh" dir="ltr" class="wm-vertical-lr line-through">你好世界!Hello World!</p>
    <p lang="zh" dir="ltr" class="wm-vertical-rl line-through">你好世界!Hello World!</p>
    <p lang="zh" dir="ltr" class="wm-sideways-lr line-through">你好世界!Hello World!</p>
    <p lang="zh" dir="ltr" class="wm-sideways-rl line-through">你好世界!Hello World!</p>
    <br/>
    <p lang="zh" dir="rtl" class="wm-vertical-lr line-through">你好世界!Hello World!</p>
    <p lang="zh" dir="rtl" class="wm-vertical-rl line-through">你好世界!Hello World!</p>
    <p lang="zh" dir="rtl" class="wm-sideways-lr line-through">你好世界!Hello World!</p>
    <p lang="zh" dir="rtl" class="wm-sideways-rl line-through">你好世界!Hello World!</p>
  </body>
</html>