问代码在线运行正常，但在本地文件上运行失败

EN

<script type="text/javascript" src="jquery-1.8.2.min.js"></script>
<script type="text/javascript">
$(document).ready(function () {
      var maxheight=118;
      var showText = "More";
      var hideText = "Less";

      $('.textContainer_Truncate').each(function () {
        var text = $(this);
        if (text.height() > maxheight){
            text.css({ 'overflow': 'hidden','height': maxheight + 'px' });

            var link = $('<a href="#">' + showText + '</a>');
            var linkDiv = $('<div></div>');
            linkDiv.append(link);
            $(this).after(linkDiv);

            link.click(function (event) {
              event.preventDefault();
              if (text.height() > maxheight) {
                  $(this).html(showText);
                  text.css('height', maxheight + 'px');
              } else {
                  $(this).html(hideText);
                  text.css('height', 'auto');
              }
            });
        }       
      });
   });​
</script>

<div class="textContainer_Truncate">
      <p>content<br>
        hello<br>
        hello<br>
        hello<br>
          hello<br>
          hello<br>
          hello<br>
          hello<br>
          hello<br>
          hello<br>
          hello<br>
          hello<br>
          hello<br>
          hello<br>
          hello<br>
          hello<br>
          hello<br>
        </p>
    </div>