滑动文本在到达div底部时消失,可以通过CSS和JavaScript来实现。
首先,需要给目标div设置一个固定的高度和overflow属性为scroll或auto,以便在内容超出div高度时出现滚动条。
接下来,可以使用JavaScript来监听div的滚动事件。当滚动条滚动到底部时,判断滚动条的位置是否等于div的内容高度减去div的高度,如果是,则将滑动文本隐藏。
以下是一个示例代码:
HTML:
<div id="myDiv" style="height: 200px; overflow: auto;">
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
<p>Phasellus euismod justo vitae leo consequat, in facilisis tellus tincidunt.</p>
<p>Nulla facilisi. Sed euismod nunc a nisl fringilla, at aliquet nunc auctor.</p>
<p>Etiam nec nunc auctor, ullamcorper nunc eget, aliquet nunc.</p>
<p>Donec euismod mauris in nunc aliquet, eget tincidunt lectus aliquam.</p>
<p>Curabitur auctor purus vitae lectus auctor, sit amet consectetur elit consectetur.</p>
<p>Proin ut nunc auctor, aliquam nunc in, fringilla nunc.</p>
<p>Quisque lacinia ligula nec nunc aliquet, ac lacinia mauris pharetra.</p>
<p>Maecenas non turpis nec nunc aliquet ultricies.</p>
<p>Integer euismod felis nec nunc aliquet, at aliquet nunc auctor.</p>
<p>Nullam auctor nunc a nunc aliquet, non aliquet nunc aliquam.</p>
<p>Etiam nec nunc auctor, ullamcorper nunc eget, aliquet nunc.</p>
<p>Donec euismod mauris in nunc aliquet, eget tincidunt lectus aliquam.</p>
<p>Curabitur auctor purus vitae lectus auctor, sit amet consectetur elit consectetur.</p>
<p>Proin ut nunc auctor, aliquam nunc in, fringilla nunc.</p>
<p>Quisque lacinia ligula nec nunc aliquet, ac lacinia mauris pharetra.</p>
<p>Maecenas non turpis nec nunc aliquet ultricies.</p>
<p>Integer euismod felis nec nunc aliquet, at aliquet nunc auctor.</p>
<p>Nullam auctor nunc a nunc aliquet, non aliquet nunc aliquam.</p>
<p id="slideText">滑动文本</p>
</div>
CSS:
#slideText {
display: block;
}
.hide {
display: none;
}
JavaScript:
var myDiv = document.getElementById("myDiv");
var slideText = document.getElementById("slideText");
myDiv.addEventListener("scroll", function() {
if (myDiv.scrollTop == myDiv.scrollHeight - myDiv.offsetHeight) {
slideText.classList.add("hide");
} else {
slideText.classList.remove("hide");
}
});
在上述代码中,滑动文本的初始状态是显示的,通过添加和移除CSS类名来控制其显示和隐藏。当滚动条滚动到底部时,给滑动文本添加一个名为"hide"的CSS类,该类的display属性设置为none,从而隐藏滑动文本。
这是一个简单的实现,可以根据实际需求进行修改和扩展。
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Bootstrap 附加导航(Affix)插件</title>
<link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<style>
/* Custom Styles /
ul.nav-tabs{
width: 140px;
margin-top: 20px;
border-radius: 4px;
border: 1px solid #ddd;
box-shadow: 0 1px 4px rgba(0, 0, 0, 0.067);
}
ul.nav-tabs li{
margin: 0;
border-top: 1px solid #ddd;
}
ul.nav-tabs li:first-child{
border-top: none;
}
ul.nav-tabs li a{
margin: 0;
padding: 8px 16px;
border-radius: 0;
}
ul.nav-tabs li.active a, ul.nav-tabs li.active a:hover{
color: #fff;
background: #0088cc;
border: 1px solid #0088cc;
}
ul.nav-tabs li:first-child a{
border-radius: 4px 4px 0 0;
}
ul.nav-tabs li:last-child a{
border-radius: 0 0 4px 4px;
}
ul.nav-tabs.affix{
top: 30px; / Set the top position of pinned element */
}
</style>
<script>
("#myNav").affix({
offset: {
top: 125
}
});
});
</script>
</head>
<body data-spy="scroll" data-target="#myScrollspy">
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam eu sem tempor, varius quam at, luctus dui. Mauris magna metus, dapibus nec turpis vel, semper malesuada ante. Vestibulum id metus ac nisl bibendum scelerisque non non purus. Suspendisse varius nibh non aliquet sagittis. In tincidunt orci sit amet elementum vestibulum. Vivamus fermentum inBootstrap Affix
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