-
Notifications
You must be signed in to change notification settings - Fork 1
/
6_6_scroll_change_imgs_sticky_top.html
72 lines (57 loc) · 3.15 KB
/
6_6_scroll_change_imgs_sticky_top.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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/css/bootstrap.min.css" integrity="sha384-TX8t27EcRE3e/ihU7zmQxVncDAy5uIKz4rEkgIXeMed4M0jlfIDPvg6uqKI2xXr2" crossorigin="anonymous">
<title>5_6_scroll_change_images</title>
<style></style>
</head>
<body>
<div style="height:20vh;background-color:gold"></div>
<div class="row">
<div class="col-6 sticky-top" style="height:100vh;overflow:hidden;">
<img src="assets/snoopy1.jpg" style="height:100vh;">
</div>
<div class="col-6">
<div style="height:100vh;background-color:#888"></div>
</div>
<div class="col-6 sticky-top" style="height:100vh;overflow:hidden;">
<img src="assets/snoopy2.jpg" style="height:100vh;">
</div>
<div class="col-6">
<div style="height:100vh;background-color:#999"></div>
</div>
<div class="col-6 sticky-top" style="height:100vh;overflow:hidden;">
<img src="assets/snoopy3.jpg" style="height:100vh;">
</div>
<div class="col-6">
<div style="height:100vh;background-color:#AAA"></div>
</div>
</div>
<div style="height:100vh;background-color:dodgerblue"></div>
<!-- Optional JavaScript; choose one of the two! -->
<!-- Option 1: jQuery and Bootstrap Bundle (includes Popper) -->
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-ho+j7jyWK8fNQe+A12Hb8AhRq26LrZ/JpcUGGOn+Y7RsweNrtN/tE3MoK7ZeZDyx" crossorigin="anonymous"></script>
<!-- Option 2: jQuery, Popper.js, and Bootstrap JS
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js" integrity="sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.5.3/dist/js/bootstrap.min.js" integrity="sha384-w1Q4orYjBQndcko6MimVbzY0tgp4pWB4lZ7lr30WKz0vr/aWKhXdBNmNb5D92v7s" crossorigin="anonymous"></script>
-->
<script>
$(window).scroll(function() {
var scrolled = $(document).scrollTop();
$(".story-section").each(function() {
var this_pos_top = $(this).offset().top;
var this_pos_bottom = this_pos_top + $(this).height();
if (scrolled + $(window).height() / 2 > this_pos_top && scrolled + $(window).height() / 2 < this_pos_bottom) {
$("#targetImg").attr("src", $(this).data("file"));
}
});
});
</script>
</body>
</html>