html 消息 捕获与冒泡
<html>
<head>
<title>捕获 与 冒泡 实例</title>
</head>
<body>
<div id="div_test">
<p id="p_test">test test test test test test test test</p>
</div>
<input type="button" value="捕获" onclick="bh()">
<input type="button" value="冒泡" onclick="mp()">
<script language="javascript" type="text/javascript">
function bh(){
var div = document.getElementById("div_test");
var p = document.getElementById("p_test");
div.addEventListener("click",div_ok,true);
p.addEventListener("click",p_ok,true);
}
function mp(){
var div = document.getElementById("div_test");
var p = document.getElementById("p_test");
div.addEventListener("click",div_ok,false);
p.addEventListener("click",p_ok,false);
}
function div_ok(){
alert("div capture");
}
function p_ok(){
alert("p capture");
}
</script>
</body>
</html>
捕获 div_capture p_capture
冒泡 p_capture div_capture