我为我的网站设计了一个运行良好的预加载器。但我想将它链接到另一个 html 页面而不将源代码复制到它。意思是我将预加载器页面命名为 pre=loader.html 并且我想通过提供 preloader.html 的链接直接将它链接到 index.html 页面。我希望我只在索引页面中提供预加载器的链接，并且预加载器可以正常工作。
这是代码：
function myFunction() {
myVar = setTimeout(showPage, 3000);
}
function showPage() {
document.getElementById("loader").style.display = "none";
document.getElementById("myDiv").style.display = "block";
}
/* Center the loader */
#loader {
position: absolute;
left: 50%;
top: 50%;
z-index: 1;
width: 150px;
height: 150px;
margin: -75px 0 0 -75px;
border: 16px solid #f3f3f3;
border-radius: 50%;
border-top: 16px solid #3498db;
width: 120px;
height: 120px;
-webkit-animation: spin 2s linear infinite;
animation: spin 2s linear infinite;
@-webkit-keyframes spin {
100% { -webkit-transform: rotate(360deg); }
}
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
/* Add animation to "page content" */
.animate-bottom {
position: relative;
-webkit-animation-name: animatebottom;
-webkit-animation-duration: 1s;
animation-name: animatebottom;
animation-duration: 1s
}
@-webkit-keyframes animatebottom {
from { bottom:-100px; opacity:0 }
to { bottom:0px; opacity:1 }
}
@keyframes animatebottom {
from{ bottom:-100px; opacity:0 }
to{ bottom:0; opacity:1 }
}
#myDiv {
display: none;
text-align: center;
}
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body onload="myFunction()" style="margin:0;">
<div id="loader"></div>
<div style="display:none;" id="myDiv" class="animate-bottom">
<h2>Tada!</h2>
<p>Some text in my newly loaded page..</p>
</div>
</body>
</html>
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