<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>window对象方法和事件</title>
<script type="text/javascript">
/*alert(window.screen);
alert(window.history);
alert(window.location);*/
//window对象的方法，因为window对象为全局对象，所以可以省略window
/*var flag=window.confirm("确定要关闭吗？")
if(flag){
window.alert("关闭");
}else{
alert("取消");
}*/
//window的事件
/*window.onload=function(){
alert("页面加载完成！");
};*/
/*window.onmouseover=function(){
alert("鼠标经过窗体！");
};
*/
/*window.onclick=function(){
alert("我是窗体，我被人点了！");
}*/
//调用document对象的getElementById()方法获取页面中指定id名称的元素对象
window.onload=function(){
var username=document.getElementById("username");
username.onchange=function(){
alert("文本框的值被更改!");
};
};
</script>
</head>
<body>
<input type="button" value="确认关闭" onclick="confirm(‘确定要关闭吗？‘)"/><br/>
<input type="button" value="关闭窗口" onclick="window.close();"/><br/>
<input type="button" value="弹出窗口1" onclick="window.open(‘test01.html‘);"/><br/>
<input type="button" value="弹出窗口2" onclick="window.open(‘test01.html‘,‘窗口2‘,‘width=300px,height=300px‘);"/><br/>
用户名：<input type="text" name="username" id="username" onkeyup="alert(‘输入了数据‘)" />
</body>
</html>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>test05.html</title>
<script type="text/javascript">
var x=1,y=z=0;
function add(num){
return num=num+1;
}
y=add(x);
function add(num){
return num=num+3;
}
z=add(x);
//alert(x+","+y+","+z);
function calc(num1,num2){
alert(num1+num2);
}
function calc(num1,num2,num3){
alert(num1+num2+num3);
}
function calc(num1){
alert(num1);
}
</script>
</head>
<body>
<input type="button" value="" onclick="calc(5,8,2);" />
</body>
</html>
原文：http://blog.csdn.net/wangzi11322/article/details/45270683