回呼函數進階

來源:互聯網
上載者:User

源碼:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>無標題文檔</title>
<script type="text/javascript">
function f(num,callback){

return(callback(1));

}

function test(){
num = 10000;
var that = this;
this.me = 111;
alert(f(num,function(back){ //匿名高層處理函數
return that.me + back ;
}) + 10); //122
}
test();
</script>
</head>

<body>

</body>
</html>

  

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