title: how to change word with javascript
body: <pre><code>&lt;p class="author"&gt;
    hipstr 發表在 &lt;a href="http://www.pixnet.net/"&gt;痞客邦 PIXNET&lt;/a&gt; 
    &lt;a href="http://hipstr.pixnet.net/blog/post/146448884#comments"&gt;留言&lt;/a&gt;(0) 
    &lt;span class="author-views"&gt;人氣(
      &lt;span id="BlogArticleCount-146448884"&gt;&lt;/span&gt;)
    &lt;/span&gt;
    &lt;a title="編輯" href="http://panel.pixnet.cc/blog/articleedit?blogarticle_id=146448884&amp;blog=hipstr"&gt;
      &lt;img title="編輯" alt="edit this article" src="//s.pixfs.net/blog/images/choc/bedit.gif" border="0"&gt;
    &lt;/a&gt;
    &lt;a title="刪除" href="javascript:pix.delArticle(146448884, false);"&gt;
      &lt;img title="刪除" alt="delete this article" src="//s.pixfs.net/blog/images/choc/bdelete.gif" border="0"&gt;
    &lt;/a&gt;
  &lt;/p&gt;
  &lt;!-- .author //--&gt;
  &lt;br&gt;
  </code></pre>
  
  <p>hello, everyone.
  I am trying to replace"留言" with "comments"<br>
  I've tried <a href="http://www.w3schools.com/jsref/jsref_replace.asp" rel="nofollow">http://www.w3schools.com/jsref/jsref_replace.asp</a><br>
  but it didn't work. anyone can help out? thanks.</p>