Не помогло, все равно получаю 0.
<!doctype html>
<html>
<head>
<meta charset="UTF-8" />
<link rel="stylesheet" type="text/css" href="style.css">
<script src="jquery.js" type="text/javascript"></script>
<script src="CanvasMenu.js" type="text/javascript"></script>
<script src="Graph.js" type="text/javascript"></script>
<title>Canvas Drag and Drop Test</title>
</head>
<body id="menu">
<script>
function getDocumentScrollTop() {
var s = $(window).scrollTop()
console.log(s)
}
</script>
<div id="a1" style="height:500px; width:100%; background-color:#111"></div>
<input type="button" onclick="getDocumentScrollTop()" style="width:100px;height:20px;">
<div id="a2" style="height:500px; width:100%; background-color:#222"></div>
<div id="a3" style="height:500px; width:100%; background-color:#333"></div>
<div id="a4" style="height:500px; width:100%; background-color:#444"></div>
<div id="a5" style="height:500px; width:100%; background-color:#555"></div>
</body>
</html>