<div class="top_bar" id="cao" height="28px">
<script> setInterval("cao.innerHTML=new Date().toLocaleString()+' 星期'+'日一二三四五六'.charAt(new Date().getDay());", 1000);
</script>
</div>
<div class="top_bar" id="cao" height="28px">
<script> setInterval("cao.innerHTML=new Date().toLocaleString()+' 星期'+'日一二三四五六'.charAt(new Date().getDay());", 1000);
</script>
</div>