HTML事件的例子：
onmousedown----onmouseup------onmouseover-----onmouseout---onclick
---onload----onfocus---onchange
<p>點擊按鈕試試</p>
<button id="myBtn" οnclick="displayDate()">點擊這裏</button>
<script>
<!--document.getElementById("myBtn").οnclick=function(){displayDate()};-->
function displayDate()
{
document.getElementById("demo").innerHTML=Date();
}
</script>
<p id="demo"></p>
