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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title></title>
<script>
function Show() {
alert("Show");
}
function AddEvent(obj, eventType, fn, bool) {
if (obj.addEventListener) obj.addEventListener(eventType, fn, bool); //FF
else if (obj.attachEvent) obj.attachEvent("on" + eventType, fn, bool); //IE
else obj["on" + eventType] = fn; //其他未知瀏覽器
}
function RemoveEvent(obj, eventType, fn,bool) {
if (obj.removeEventListener) obj.removeEventListener(eventType, fn,bool); //FF
else if (obj.detachEvent) obj.detachEvent("on" + eventType, fn); //IE
else obj["on" + eventType] = null; //其他未知瀏覽器
}
function Add() {
var obj = document.getElementById("btn");
AddEvent(obj, "click", Show,false);
}
function Remove() {
var obj = document.getElementById("btn");
RemoveEvent(obj, "click", Show,false);
}
</script>
</head>
<body>
<input type="button" value="Test" id="btn" />
<input type="button" value="添加" onclick="Add()" />
<input type="button" value="移除" onclick="Remove()" />
</body>
</html>
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