document.body.addEventListener('DOMMouseScroll', mousewheelFn, false); //chrome和IE 用 mousewheel 监听滚动事件 function mousewheelFn(event){ //delta为鼠标滚动的方向 1为up -1为down var delta = 0;
if (event.wheelDelta) { delta = event.wheelDelta / 120; // IE and Opera. } else if (event.detail) { //In Mozilla, sign of delta is different than in IE. Also, delta is multiple of 3. delta = - event.detail / 3; }
document.body.addEventListener('DOMMouseScroll', mousewheelFn, false);
//chrome和IE 用 mousewheel 监听滚动事件
function mousewheelFn(event){
//delta为鼠标滚动的方向 1为up -1为down
var delta = 0;
if (event.wheelDelta) {
delta = event.wheelDelta / 120; // IE and Opera.
} else if (event.detail) {
//In Mozilla, sign of delta is different than in IE. Also, delta is multiple of 3.
delta = - event.detail / 3;
}
console.log(delta)
};