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我製作了一個網站,其中我的網站的第一頁是YouTube視頻,我希望導航欄隱藏起來,直到您將鼠標懸停在上面。一旦你去到另一個網站,我希望導航欄始終可見。 至於現在導航欄消失,當你把它懸停在網站的其他頁面上。如何在滾動後切換對象並使其永久可見?
這是我的導航欄代碼:
HTML:
<div class="navbar">
<nav>
<ul>
<span class="toc-button" id="Block1-button">front page</span>
<span class="toc-button" id="Block2-button">2nd page</span>
<span class="toc-button" id="Block3-button">3rd page</span>
<span class="toc-button" id="Block4-button">4th page</span>
</ul>
</nav>
</div>
CSS
.navbar {
background-color:rgba(213,213,213,0.7);
display: block;
position: fixed;
top: 0;
margin: auto;
width: 100%;
text-align: center;
font-family: 'Georgia';
font-size: 1em;
list-style-type: none;
-webkit-transition: opacity 0.5s ease-in-out;
-moz-transition: opacity 0.5s ease-in-out;
-ms-transition: opacity 0.5s ease-in-out;
-o-transition: opacity 0.5s ease-in-out;
transition: opacity 0.5s ease-in-out;
}
.navbar ul span:hover{
color: white;
cursor:pointer;
}
.navbar.hidenav{
opacity:0;
}
JS
$(document).ready(function() {
$(function() {
$('.navbar').addClass('hidenav');
});
$(window).scroll(function() {
var scroll = $(window).scrollTop();
if (scroll > 300) {
$(".navbar").removeClass("hidenav")
}else{
$('.navbar').hover(function() {
($('.navbar').toggleClass('hidenav'))
})
}
});
我這裏有一個〔實施例:www.skmo.nu/test
工作對我來說:d – s654m 2015-03-03 15:46:35