<!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>
<script type="text/javascript">
/*
with语句:有了 With 语句，在存取对象属性和调用方法时就不用重复指定对象。
格式：
with(对象){
}
*/
with(document){
for(var i = 0 ; i<5; i++){
for(var j =0 ; j<=i ; j++){
write("* ");
}
write("<br/>");
}
write("<hr/>");
}
function Person(id , name){
this.id = id;
this.name = name;
}
//创建一个对象
var p = new Person(110,"狗娃");
with(p){
document.write("编号："+ p.id);
document.write("姓名："+ name);
}
</script>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
</body>
</html>
