请指点

<body onmousemove="status='x-coordinate of the mouse pointer\'s position:'+event.clientX">
bt1<input type="button" onclick="event.srcElement.value='changed';et1.value=event.srcElement.name" value="button" name="bt1">
<br>
this inputbox show the name of the event.srcElement(bt1)
<br><input type="text" name="et1">
</body>
为了锻炼一下楼主的英文水平……