js导航和页面滚动条

document.getElementById('scrollToTopBtn').addEventListener('click', function() {
    window.scrollTo({
        top: 0,
        behavior: 'smooth'
    });
});

<a href="#section1">Go to Section 1</a>
<div id="section1">Section 1 Content</div>

window.addEventListener('scroll', function() {
    if ((window.innerHeight + window.scrollY) >= document.body.offsetHeight) {
        loadMoreContent();
    }
});

function loadMoreContent() {
    // 加载更多内容的逻辑
}

function debounce(func, wait) {
    let timeout;
    return function(...args) {
        clearTimeout(timeout);
        timeout = setTimeout(() => func.apply(this, args), wait);
    };
}

window.addEventListener('scroll', debounce(function() {
    // 滚动事件处理逻辑
}, 100));

document.addEventListener('DOMContentLoaded', function() {
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
        anchor.addEventListener('click', function (e) {
            e.preventDefault();
            document.querySelector(this.getAttribute('href')).scrollIntoView({
                behavior: 'smooth'
            });
        });
    });
});