javascript 获取网页标题代码实例

  

复制代码 代码如下:

  <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

  <html xmlns="http://www.w3.org/1999/xhtml">

  <head>

  <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

  <title>javascript_获取网页标题代码</title>

  <script language="javascript">

  function get_pagetitle(split_chr,new_pagetit)

  {

  var titleitems,return_title;

  var the_pagetitle=document.title;

  titleitems=the_pagetitle.split(split_chr);

  return_title=the_pagetitle;

  if(titleitems[1])

  {

  return_title=the_pagetitle.replace(titleitems[1],new_pagetit)

  }

  else

  {

  if(new_pagetit)

  {

  return_title=the_pagetitle & split_chr & new_pagetit;

  }

  }

  alert(return_title);

  }

  </script>

  </head>

  <body>

  <input value="测试"  type="button" onclick="javascript:get_pagetitle('_','=');" />

  </body>

  </html>