jquery 鼠标滚动

$(document).ready(function() {
    $(window).on('mousewheel DOMMouseScroll', function(event) {
        var delta = event.originalEvent.wheelDelta || -event.originalEvent.detail;
        if (delta > 0) {
            console.log("向上滚动");
            // 执行向上滚动时的操作
        } else {
            console.log("向下滚动");
            // 执行向下滚动时的操作
        }
        event.preventDefault(); // 阻止默认滚动行为
    });
});

function throttle(func, wait) {
    var timeout = null;
    return function() {
        if (!timeout) {
            timeout = setTimeout(function() {
                func.apply(this, arguments);
                timeout = null;
            }, wait);
        }
    };
}

$(document).ready(function() {
    $(window).on('mousewheel DOMMouseScroll', throttle(function(event) {
        var delta = event.originalEvent.wheelDelta || -event.originalEvent.detail;
        if (delta > 0) {
            console.log("向上滚动");
        } else {
            console.log("向下滚动");
        }
        event.preventDefault();
    }, 100)); // 设置节流时间为100毫秒
});