<h1>網頁碼表功能</h1>

<div>
	<span id='hh'>00</span> :
	<span id='mm'>00</span> :
	<span id='ss'>00</span>.<span id='ms'>00</span>
</div>
<button onclick='tstart()'>開始</button>
<button onclick='tstop()'>暫停</button>
<button onclick='treset()'>重置</button>