回答人的补充 2009-08-13 01:08 <!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<script>
var a=0;
function num(){
a++;
alert(a);
}
(function(){
var a = 0;
num_a = function(){
a++;
alert(a);
}
})()
</script>
<body>
<a href="#" onclick="num()">点击我变量a+1</a>
<a href="#" onclick="num_a()">点击我变量b+1</a>