window.event的属性
<script language="JavaScript" for="document" event="onmousemove">
document.getElementById("txt_offsetX").value = window.event.offsetX;
document.getElementById("txt_offsetY").value = window.event.offsetY;
document.getElementById("txt_screenX").value = window.event.screenX;
document.getElementById("txt_screenY").value = window.event.screenY;
document.getElementById("txt_clientX").value = window.event.clientX;
document.getElementById("txt_clientY").value = window.event.clientY;
</script>
<script language="JavaScript" for="document" event="onmousedown">
alert(window.event.button);
/*
语法：
event.button
可能的值：
0 没按键
1 按左键
2 按右键
3 按左右键
4 按中间键
5 按左键和中间键
6 按右键和中间键
7 按所有的键
这个属性仅用于onmousedown, onmouseup, 和 onmousemove 事件。对其他事件，不管鼠标状态如何，都返回 0（比如onclick）
*/
</script>
<script language="JavaScript" for="document" event="onmouseup">
alert(window.event.button);
</script>
<script language="JavaScript">
function Show()
{
document.getElementById("txt_offsetX").value = window.event.offsetX;
document.getElementById("txt_offsetY").value = window.event.offsetY;
alert("event.type:"+window.event.type);
alert("event.propertyName:"+window.event.propertyName);
}
function mouse_over()
{
alert("onmouseover事件触发\r\n" + "fieldset的id属性：" +window.event.toElement.id);
//alert(window.event.fromElement.id);
}
function mouse_out()
{
alert("onmouseout事件触发\r\n" + "fieldset的id属性：" + window.event.fromElement.id);
}
</script>
<SCRIPT LANGUAGE="JScript">
function cancelLink() {
if (window.event.srcElement.tagName == "A" && window.event.shiftKey) //屏蔽 Shift+ckick 打开新窗口
window.event.returnValue = false;
}
</SCRIPT>
<BODY onmousemove="window.status = 'X=' + window.event.x + ' Y=' + window.event.y" onclick="cancelLink()">
offsetX:<input type="text" id="txt_offsetX">screenX:<input type="text" id="txt_screenX">clientX:<input type="text" id="txt_clientX"><br />
offsetY:<input type="text" id="txt_offsetY">screenY:<input type="text" id="txt_screenY">clientY:<input type="text" id="txt_clientY"><br />
<input name="btn" id="btn" type="button" value="显示" onclick="Show()">
<br>
<fieldset style="width:500px;" onmouseover="mouse_over()" onmouseout="mouse_out()" id="fs">
<legend>测试</legend>
onmouseover,onmouseout事件 显示该fieldset的id属性
</fieldset>
<br />
<SCRIPT>
function changeProp()
{
btnProp.value = "This is the new VALUE";
}
</SCRIPT>
<INPUT TYPE=button ID=btnProp onclick="changeProp()"
VALUE="Click to change the VALUE property of this button"
onpropertychange='alert("["+event.propertyName+"] property has changed value")'>
