<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="https://apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script>
</head>
<body style="height: 900px;background: #ececec;">
</body>
<script type="text/javascript">
$("body").on("touchstart", function(e) {
e.preventDefault();
startX = e.originalEvent.changedTouches[0].pageX,
startY = e.originalEvent.changedTouches[0].pageY;
});
$("body").on("touchmove", function(e) {
e.preventDefault();
moveEndX = e.originalEvent.changedTouches[0].pageX,
moveEndY = e.originalEvent.changedTouches[0].pageY,
X = moveEndX - startX,
Y = moveEndY - startY;
if ( Math.abs(X) > Math.abs(Y) && X > 0 ) {
alert("left 2 right");
}
else if ( Math.abs(X) > Math.abs(Y) && X < 0 ) {
alert("right 2 left");
}
else if ( Math.abs(Y) > Math.abs(X) && Y > 0) {
alert("top 2 bottom");
}
else if ( Math.abs(Y) > Math.abs(X) && Y < 0 ) {
alert("bottom 2 top");
}
else{
alert("just touch");
}
});
</script>
</html>
