<script type="text/javascript">
var windowHeight = $(window).height(),
$body = $("body");
$body.css("height", windowHeight);
var startX, startY, moveEndX, moveEndY, X, Y;
$("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("像右滑动");
}
else if ( Math.abs(X) > Math.abs(Y) && X < 0 ) {
alert("像左滑动");
}
else if ( Math.abs(Y) > Math.abs(X) && Y > 0) {
alert("下滑动");
}
else if ( Math.abs(Y) > Math.abs(X) && Y < 0 ) {
alert("上滑动");
}
else{
alert("触摸");
}
});
</script>
原文：https://www.cnblogs.com/qiaochaoyu/p/11647684.html