leaflet判断鼠标滚轮向前滚还是向后滚
本文为博主原创文章，未经博主允许不得转载。https://blog.csdn.net/sinat_38818576/article/details/86311093
var boxMap = document.getElementById('maprow');
L.DomEvent.on(boxMap, 'mousewheel', function(e) {
if (e.deltaY > 0) {
alert("后")
} else if (e.deltaY < 0) {
alert("前")
}
});
转载自：https://blog.csdn.net/sinat_38818576/article/details/86311093
