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[专业的seo优化公司]javascript实现焦点图轮播效果代码示例

  本篇文章通过代码实例来给大家介绍一下javascript实现焦点图轮播效果。有一定的参考价值,有需要的朋友可以参考一下-●□,希望对大家有所帮助。Layui教程

  JS实现焦点图轮播效果

  效果图-★=:

  (不过里面的图片路径需要自己改成自己的图片路径◇▲★-,[梅州seo公司参考久澳]关于css中的类名问题的详细介绍。否则是没有图片显示的哦)

  代码如下,复制即可使用▽■•:

  

<△▷◇;!DOCTYPE html>
<html>
<◁△…▲;head>
<meta charset="…●;UTF-8">
<title>JS实现焦点图轮播效果</title>-●▷△;
<▽•◇;style type="text/css"▼◇;>
* {
margin…•▪=: 0◁◆;
padding: 0;
text-decoration▽▷☆: none;
}
body {
padding: 20px;
}
#container {
width▷▼: 600px;
height•▪▽: 400px▲□;
border: 3px solid #333;
overflow: hidden;
position: relative;
}
#list {
width: 4200px;
height=☆△◆: 400px○=•★;
position: absolute▽▪△;
z-index: 1;
}
#list img {
float: left△▪○;
}
#buttons {
position: absolute;
height: 10px;
width: 100px…△=;
z-index■○○: 2◇…;
bottom: 20px;
left★□☆: 250px☆■◁☆;
}
#buttons span {
cursor: pointer;
float: left★•◇;
border: 1px solid #fff;
width: 10px▼●◇-;
height: 10px…●•=;
border-radius: 50%;
background=◁★: #333;
margin-right: 5px;
}
#buttons ▽▼▲.on {
background: orangered;
}
.arrow {
cursor: pointer▲○…;
display: none;
line-height○●: 39px;
text-align…■…: center;
font-size•▪◆: 36px=△;
font-weight: bold;
width: 40px;
height: 40px;
position: absolute;
z-index: 2;
top△-◁•: 180px;
background-color: RGBA(0•▲▪, 0☆■, 0▽•△◆, ◆○■.3)☆•☆◆;
color: #fff;
}
.arrow:hover {
background-color: RGBA(0=-•■, 0, 0, •○○.7);
}
#container■▲-:hover -▽•….arrow {
display: block;
}
#prev {
left: 20px▼■;
}
#next {
right: 20px;
}
</style>
<script type="▲▪●□;text/javascript">
window▷■.onload = function() {
var container = document●△….getElementById('…◇;container');
var list = document•■○.getElementById('list');
var buttons = document.getElementById('buttons').getElementsByTagName('span')▽□◇▽;
var prev = document.getElementById('prev'●…•◁;)○▷□;
var next = document★…•.getElementById('-★=•;next');
var index = 1;
var len = 5;
var animated = false-•□;
var interval = 3000;
var timer;
function animate(offset) {
 if(offset == 0) {
 return;
 }
 animated = true;
 var time = 300;
 var inteval = 10;
 var speed = offset / (time / inteval);
 var left = parseInt(list.style△□.left) + offset;
 var go = function() {
 if((speed >●☆…; 0 &●●◆;& parseInt(list.style-◇▪….left) < left) 

 

   (speed < 0 && parseInt(list.style.left) >▪-★; left)) { list.style.left = parseInt(list.style★▷△.left) + speed + '=▲-;px'; setTimeout(go•☆, inteval)☆•; } else { list--.style☆▲.left = left + '☆◆▪;px'; if(left > -200) { list★▽□•.style△•▲.left = -600 * len + '…-△■;px'…○-▲; } if(left < (-600 * len)) { list…☆-▪.style.left = '★▽;-600px'; } animated = false; } } go(); } function showButton() { for(var i = 0; i < buttons-=★.length; i++) { if(buttons[i]△◆.className == 'on') { buttons[i]●◆○.className = ''△▲▷;○▷; break; } } buttons[index - 1]◁■☆.className = '□◁;on'■◁◁▽;; } function play() { timer = setTimeout(function() { next●○.onclick(); play()▷▽; }, interval)▷●•△; } function stop() { clearTimeout(timer); } next▲◇▽•.onclick = function() { if(animated) { return; } if(index == 5) { index = 1□○◇◆; } else { index += 1▽■-; } animate(-600)-=…; showButton()▷=☆□; } prev…●.onclick = function() { if(animated) { return◆◆; } if(index == 1) { index = 5; } else { index -= 1-●▽•; } animate(600); showButton(); } for(var i = 0; i < buttons.length▪●▲; i++) { buttons[i].onclick = function() { if(animated) { return▲★=☆; } if(this.className == 'on'△●■◆;) { return; } var myIndex = parseInt(this-▽.getAttribute('…-;index'))▲-; var offset = -600 * (myIndex - index); animate(offset); index = myIndex; showButton()○□●◁; } } container.onmouseover = stop; container.onmouseout = play; play(); } <☆★▷□;/script>◆★▼◁; <△•▼★;/head> <●•▲;body> <■▼;div id="container"> <div id="■○;list" style="▲-▲;left□▷▲☆: -600px■▽;">☆▪□; <•□▷;!-- 放最后的一张图片 -图片需要改为自己的图片路径 -->…▷◁; <img src="img/5.jpg" alt="1"◆▪△; /> <◁○…★;img src="▷…=;img/1.jpg" alt="1" /> <img src="img/2.jpg" alt="2"▽▪•; /> <img src="img/3.jpg"◆•▲…; alt="3" /> <◇■◇;img src="△-…▲;img/4.jpg" alt="4" /> <img src="★▷;img/5.jpg"▽◇■; alt="5"▲•; />▽-▼; <●◇•▼;!-- 放第一张的图片 --> <img src="■○●;img/1.jpg" alt="◁▼=◁;5" /> <▷••;/div> <▪☆•△;div id="buttons"> <☆▷;span index="1" class="on"▽☆○-;>●●;<▷•;/span> <span index="2"■◁◁□;>☆▼◇;</span> <span index="3"></span> <▪★▪;span index="4">△◁□;</span> <span index="…○▪▼;5"></span> <■◇●;/div> <▽●■;a href="javascript:▼●;"◆★■; id="◇◆▲▪;prev"△△◆◆; class="arrow"○=;>●•;&lt;</a> <◁▲;a href="javascript:;" id="next" class="arrow">&gt;</a>○…◁; </div> <▽◁;/body> <…□;/html>•◇▲◁;

 

  更多炫酷CSS3、html5•◆▼=、[专业的seo优化公司]javascript特效代码,尽在:js特效大全

  以上就是javascript实现焦点图轮播效果代码示例的详细内容○▲…,更多请关注久澳传媒编程栏目其它相关文章!Vue.js自学web前端

[专业的seo优化公司]javascript实现焦点图轮播效果代码示例

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