HTML : event.srcElement

<%@ page language="java" contentType="text/html; charset=utf-8" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
</head>
<body>
<div id="div_001">
<form id="form_001">
   <input type="button" id="button_001_id" name="button_001_Name" value="单击查看" class="button_001_Class" onclick="Get_srcElement(this)">
</form>
</div>
<script>
   function Get_srcElement()
   {
    var srcElement=""
    srcElement = srcElement + "\n" + "event.srcElement.id : " + event.srcElement.id
    srcElement = srcElement + "\n" + "event.srcElement.tagName : " + event.srcElement.tagName
    srcElement = srcElement + "\n" + "event.srcElement.type : " + event.srcElement.type
    srcElement = srcElement + "\n" + "event.srcElement.value : " + event.srcElement.value
    srcElement = srcElement + "\n" + "event.srcElement.name : " + event.srcElement.name
    srcElement = srcElement + "\n" + "event.srcElement.className : " + event.srcElement.className
    srcElement = srcElement + "\n" + "event.srcElement.parentElement.id : " + event.srcElement.parentElement.id
      alert(srcElement)
   }

</script>
</body>
</html>

运行结果是：

event.srcElement.id :button_001_id

event.srcElement.tagName :input

event.srcElement.type :button

event.srcElement.value :单击查看

event.srcElement.name :button_001_Name

event.srcElement.className :button_001_Class

event.srcElement.parentElement.id :form_001

event.srcElement.getattribute :