我希望页脚具有位置粘性，但在到达页面底部时切换到固定底部。
这是我到目前为止所拥有的。
$(window).on("scroll touchmove", function() {
var scrollHeight = $(document).height();
var scrollPosition = $(window).height() + $(window).scrollTop();
if ((scrollHeight - scrollPosition) / scrollHeight === 0) {
$('#bottom-fix').addClass('position-sticky').removeClass('fixed-bottom');
}
else {
$('#bottom-fix').removeClass('position-sticky').addClass('fixed-bottom');
}
});<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="py-md-3 py-2">
<div class="container">
<div class="row">
<div class="col-md-12 text-justify">
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<nav class="navbar fixed-bottom" id="bottom-fix" style="background-color: #08A8E4;">
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到达底部时会有某种闪烁。 有帮助吗？
答案 0 :(得分：0)
使用以下方法更改if条件：
a