我想让HTML div标签淡入淡出.
我有一些淡出的代码,但是当我淡入时,div的不透明度保持在0.1并且不会增加.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
<head>
<title>Fade to Black</title>
<script type="text/javascript">
//<![CDATA[
function slidePanel(elementToSlide, slideSource)
{
var element = document.getElementById(elementToSlide);
if(element.up == null || element.up == false) {
setTimeout("fadeOut(\"" + elementToSlide + "\")", 100);
element.up = true;
slideSource.innerHTML = "Bring it down";
} else {
setTimeout("fadeIn(\"" + elementToSlide + "\")", 100);
element.up = false;
slideSource.innerHTML = "Take it up";
}
}
function fadeIn(elementToFade)
{
var element = document.getElementById(elementToFade);
element.style.opacity += 0.1; …Run Code Online (Sandbox Code Playgroud)