加载新页面后平滑滚动以定位 [英] Smooth scroll to anchor after loading new page

问题描述

我想导航到新页面上的锚点，但是我希望页面在顶部加载，然后立即平滑滚动到相关的锚点.能做到吗?

I want to navigate to an anchor point on a new page, but I want the page to load at the top then immediately smooth scroll to the relevant anchor point. Can this be done?

我是使用Javascript的新手.

I am a complete newbie with Javascript.

这是我当前用于在当前页面内平滑滚动的js. 我只是在链接上应用了滚动"类.

This is the js I currently use for smooth scrolling within the current page. I just apply a class of 'scroll' on the link.

非常感谢！

<script>
$(function(){
  $('.scroll').on('click',function(e) {
    e.preventDefault();
    $('html, body').animate({ scrollTop: $($(this).attr('href')).offset().top + 'px' }, 1000, 'swing');
  });
});
</script>

推荐答案

当浏览器自动检测到hash并将您带到该位置时...
在我看来，您可以先将滚动位置重置为0 ，然后进行平滑滚动.

As browsers automatically detect the hash and take you to that position...
It occurs to me that you could first reset the scroll position to 0 and then made the smooth scrolling.

类似...

// to top right away
if ( window.location.hash ) scroll(0,0);
// void some browsers issue
setTimeout( function() { scroll(0,0); }, 1);

$(function() {

    // your current click function
    $('.scroll').on('click', function(e) {
        e.preventDefault();
        $('html, body').animate({
            scrollTop: $($(this).attr('href')).offset().top + 'px'
        }, 1000, 'swing');
    });

    // *only* if we have anchor on the url
    if(window.location.hash) {

        // smooth scroll to the anchor id
        $('html, body').animate({
            scrollTop: $(window.location.hash).offset().top + 'px'
        }, 1000, 'swing');
    }

});

编辑 :将scroll(0,0)移到$(function(){...});外部以防止闪烁.
此外，还添加了具有工作示例的代码段.
^{在全屏模式下观看效果最好}

Edit: Move the scroll(0,0)outside $(function(){...}); to prevent flickering.
Also, Snippet with working example was added.
^{The effect is best appreciated when viewed in full screen}

        html, body {
            margin: 0;
            padding: 0;
        }
        .hidden-code {
            display: none;
            visibility: hidden;
            opacity: 0;
        }
        .header {
            background-color: #ccc;
            padding: 5px;
        }
        .header li {
            padding: 5px;
            margin: 5px;
            display: inline-block;
        }
        .articles > div {
            border: 1px solid;
            margin: 10px;
            padding: 250px 50px;
            background-color: #ccc;
        }
        div:before {
            content: attr(id);
        }
        .footer {
            text-align: center;
        }

    <div class="header">
        <ul>
            <li>page header title/navbar</li>
            <li><a class="scroll" href="#text-1">#text-1</a></li>
            <li><a class="scroll" href="#text-2">#text-2</a></li>
            <li><a class="scroll" href="#text-3">#text-3</a></li>
            <li><a class="scroll" href="#text-4">#text-4</a></li>
            <li><a class="scroll" href="#text-5">#text-5</a></li>
            <li><a class="scroll" href="#text-6">#text-6</a></li>
            <li><a class="scroll" href="#text-7">#text-7</a></li>
            <li><a class="scroll" href="#text-8">#text-8</a></li>
        </ul>
    </div>

    <div class="container">

        <div class="content">

            <div class="articles">
                <div id="text-1"></div>
                <div id="text-2"></div>
                <div id="text-3"></div>
                <div id="text-4"></div>
                <div id="text-5"></div>
                <div id="text-6"></div>
                <div id="text-7"></div>
                <div id="text-8"></div>
            </div>

        </div>

        <div class="footer">company &copy; 2015</div>

    </div>

    <div class="hidden-code">

        <script type="text/javascript" src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
        <script type="text/javascript">

            // to top right away
            if ( window.location.hash ) scroll(0,0);
            // void some browsers issue
            setTimeout( function() { scroll(0,0); }, 1);

            // any position
            $(function() {
                // your current click function
                $('.scroll').on('click', function(e) {
                    e.preventDefault();
                    $('html, body').animate({
                        scrollTop: $($(this).attr('href')).offset().top + 'px'
                    }, 1000, 'swing');
                });
                // *only* if we have anchor on the url
                if(window.location.hash) {
                    // smooth scroll to the anchor id
                    $('html, body').animate({
                        scrollTop: $(window.location.hash).offset().top + 'px'
                    }, 1000, 'swing');
                }
            });
        </script>

    </div>

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