Tutorial on how to achieve the effect of circular advertising banners using javascript-JS Tutorial-php.cn

Tutorial on how to achieve the effect of circular advertising banners using javascript

小云云

Release： 2017-12-13 09:38:25

Original

1773 people have browsed it

This article mainly introduces the effect of cyclic advertising banners using JavaScript in detail. It has certain reference value. Interested friends can refer to it. I hope it can help everyone.

html code:

<!DOCTYPE html>
<html>
<head>
<title>Rotating Banner</title>
<script src="script07.js"></script>
<link rel="stylesheet" href="script01.css" rel="external nofollow" >
</head>
<body>
<p class="centered">
<img src="images/reading1.gif" id="adBanner" alt="Ad Banner">
</p>
</body>
</html>

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css code:

body {
background-color: white;
color: black;
font-size: 20px;
font-family: "Lucida Grande", Verdana,Arial, Helvetica, sans-serif;
}
h1, th {
font-family: Georgia, "Times New Roman",Times, serif;
}
h1 {
font-size: 28px;
}
table {
border-collapse: collapse;
}
th, td {
padding: 10px;
border: 2px #666 solid;
text-align: center;
width: 20%;
}
#free, .pickedBG {
background-color: #f66;
}
.winningBG {
background-image:url(images/redFlash.gif);
}

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js code:

window.onload = rotate;
var thisAd = 0;
function rotate() {
var adImages = new Array("images/ reading1.gif","images/reading2. gif","images/reading3.gif");
thisAd++;
if (thisAd == adImages.length) {
thisAd = 0;
}
document.getElementById("adBanner").src = adImages[thisAd];
setTimeout(rotate, 3 * 1000);//设置时间,本每隔多长时间改变广告条中的GIF
}

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Add a link in the circular advertising banner: modify the js code

window.onload = initBannerLink;
var thisAd = 0;
function initBannerLink() {
if (document.getElementById("adBanner").parentNode.tagName == "A") {
document.getElementById("adBanner").parentNode.onclick = newLocation;
}
rotate();
}
function newLocation() {
var adURL = new Array("negrino.com","sun.com","microsoft.com");
document.location.href = "http://www." + adURL[thisAd];
return false;
}
function rotate() {
var adImages = new Array("images/ reading1.gif","images/reading2. gif","images/reading3.gif");
thisAd++;
if (thisAd == adImages.length) {
thisAd = 0;
}
document.getElementById("adBanner").src = adImages[thisAd];
setTimeout(rotate, 3 * 1000);//设置时间,本每隔多长时间改变广告条中的GIF
}

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