js鼠标滚动翻页

let isLoading = false;

window.addEventListener('wheel', function(event) {
    if (isLoading) return;
    
    // 检测用户是否滚动到底部
    if (window.innerHeight + window.scrollY >= document.body.offsetHeight - 500) {
        isLoading = true;
        loadMoreContent();
    }
});

function loadMoreContent() {
    // 模拟加载更多内容的过程
    setTimeout(() => {
        const newContent = document.createElement('div');
        newContent.innerHTML = '<p>新加载的内容...</p>';
        document.body.appendChild(newContent);
        isLoading = false;
    }, 1000);
}

function throttle(func, limit) {
    let inThrottle;
    return function() {
        const args = arguments;
        const context = this;
        if (!inThrottle) {
            func.apply(context, args);
            inThrottle = true;
            setTimeout(() => inThrottle = false, limit);
        }
    }
}

window.addEventListener('wheel', throttle(function(event) {
    // ...滚动处理逻辑
}, 200));