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我有動畫使用velocity.js的問題。Velocity.js不透明不能正常工作
Here是一個Codepen鏈接。
問題:導航元素淡入
後,標識和「我的網站」稱號暫時淡出,並再次消失英寸
CODE:
HTML:
<div id="header">
<div id="logo">
<img src="Images/logo.png" />
</div>
<h1 id="logo-title">MY WEBSITE</h1>
<div id="nav-bar">
<ul>
<li><a href="">HOME</a></li>
<li><a href="">ABOUT US</a></li>
<li><a href="">PROJECTS</a></li>
<li><a href="">CONTACT</a></li>
</ul>
</div>
</div>
CSS:
*
{
margin: 0;
padding: 0;
font-family: sans-serif;
color: white;
background-color: black;
}
#header
{
width: 100%;
height: 150px;
background-color: black;
}
#logo
{
width: 25%;
height: 100%;
float: left;
opacity: 0;
}
#logo img
{
width: 100%;
height: 100%;
}
#logo-title
{
width: 25%;
float: left;
line-height: 150px;
opacity: 0;
}
#nav-bar
{
width: 100%;
height: 150px;
opacity: 0;
}
#nav-bar ul
{
list-style-type: none;
overflow: hidden;
}
#nav-bar li
{
float: left;
width: 25%;
height: 150px;
}
#nav-bar li a
{
display: block;
text-align: center;
text-decoration: none;
line-height: 150px;
}
#nav-bar a:hover
{
background-color: #333;
}
的JavaScript(Velocity.js):
Velocity(document.getElementById("logo"), {opacity: 1}, {duration: 4000});
Velocity(document.getElementById("logo-title"), {opacity: 1}, {delay: 2000, duration: 4000});
Velocity(document.getElementById("nav-bar"), {opacity: 1}, {delay: 4000, duration: 4000});
我似乎無法找到問題。任何建議將不勝感激。謝謝。