<!DOCTYPE html>
<html lang="en"><head>
<meta charset="UTF-8">
<title>闭包</title>
<script type="text/javascript">
function aa(b){
var a = 12;
function bb(){
alert(a);
alert(b);
}
return bb;
}
var cc = aa(24);*/
var cc = (function(b){
var a = 12;
function bb(){
alert(a);
alert(b);
}
return bb;
})(24);
cc();
(function(b){
var a = 12;
function bb(){
alert(a);
alert(b);
}
return bb;
})(24)();
*/
</script>
</head>
<body>
</body></html>
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