forked from zhansingsong/js-leakage-patterns
-
Notifications
You must be signed in to change notification settings - Fork 0
/
closures.html
38 lines (33 loc) · 815 Bytes
/
closures.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<p>不断单击【click】按钮</p>
<button id="click_button">Click</button>
<script>
function f() {
var str = Array(10000).join('#');
var foo = {
name: 'foo'
}
function unused() {
var message = 'it is only a test message';
// str = 'unused: ' + str;
}
function getData() {
return 'data';
}
return getData;
}
var list = [];
document.querySelector('#click_button').addEventListener('click', function () {
list.push(f());
}, false);
</script>
</body>
</html>