如何在动画播放后返回上一页并恢复滚动位置?

本文介绍了如何在动画播放后返回上一页并恢复滚动位置?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

$('a').click(function (e) {
    e.preventDefault();

    var newLocation = this.href;

    $('body').fadeOut(250, newPage);

    function newPage() {
        window.location = newLocation;
    }
});

目的是每当单击链接时淡出页面.问题出在这样的链接上:

The intention is to fade out the page whenever a link is clicked. The problem is with links like this:

<a href='javascript:history.back()'>Link</a>

通常，当href为'javascript:history.back()'时，它会返回到上一页的滚动位置，这正是我想要的.使用此代码，它将转到页面顶部.我该如何解决?

Normally, when href is 'javascript:history.back()', it goes back to the scroll position on the previous page, which is what I want. With this code, it goes to the top of the page. How can i fix this?

推荐答案

history.back 是一个函数.您必须将其作为函数来调用.通过分配给 window.location 来返回导航历史记录是不起作用的.

history.back is a function. You have to call it as a function. Going back in the navigation history by assigning to window.location does not work.

根据所单击链接的href，使代码的行为有所不同.

Have your code behave differently based on the href of the clicked link.

$('a').click(function (e)
{
    e.preventDefault();
    var newLocation = this.href;
    $('body').fadeOut(250, newPage);

    function newPage()
    {
        if(newLocation == "javascript:history.back()")
        {
          history.back();
        }
        else
        {
           window.location = newLocation;
        }
    }
});

完整的测试集:

Caller.html

<html>
<head><title>Caller</title></head>
<body>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
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<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
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<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
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<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
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<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
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<div>XXXXXXXXXXXXX</div>
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<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>
<div>XXXXXXXXXXXXX</div>

<a href="Callee.html">Go to Callee</a>

</body>
</html>

Callee.html

<html>
<head><title>Callee</title></head>
<body>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
  <a href="javascript:history.back()">Go back</a>

<script>
$('a').click(function (e)
{
    e.preventDefault();
    var newLocation = this.href;
    $('body').fadeOut(250, newPage);

    function newPage()
    {
        if(newLocation == "javascript:history.back()")
        {
          history.back();
        }
        else
        {
           window.location = newLocation;
        }
    }
});
</script>

  </body>
</html>

这篇关于如何在动画播放后返回上一页并恢复滚动位置?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！

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