本文實(shí)例為大家分享了js實(shí)現(xiàn)簡單輪播圖效果的具體代碼,可以實(shí)現(xiàn)左右翻轉(zhuǎn),圖片切換顯示等效果,供大家參考,具體內(nèi)容如下
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效果展示:

代碼展示:
<!doctype html>
<html>
<!--
學(xué)習(xí)功能:使用JavaScript實(shí)現(xiàn)圖片輪播,左右翻轉(zhuǎn),圖片切換顯示等。
author: lisa于2018-5-30
-->
<title>
<meta charset="utf-8">
</title>
<body>
<div class="maindiv">
<style>
* {
margin: 0px;
padding: 0px;
}
.shidian {
width: 600px;
height: 300px;
position: relative;
}
.shidian>#shidian_img {
width: 100%;
height: 100%;
}
.shidian>#shidian_img li {
width: 100%;
height: 100%;
position: absolute;
left: 0px;
top: 0px;
}
.shidian>#shidian_img img {
width: 100%;
height: 100%;
}
.shidian>#shidian_nav li {
float: left;
width: 20px;
height: 20px;
background: #ffffff;
border: 1px #ffff00 solid;
margin-left: 10px;
text-align: center;
line-height: 20px;
list-style: none;
}
.shidian>#shidian_nav {
position: absolute;
right: 10px;
bottom: 10px;
}
.shidian>#shidian_nav .active {
background: 0000ff;
color: black;
cursor: pointer;
}
.shidian .img_nav {
position: absolute;
top: 140px;
width: 100%
}
.shidian .img_nav .left {
cursor: pointer;
}
.shidian .img_nav .right {
cursor: pointer;
float: right;
}
</style>
<div class="shidian">
<ul id="shidian_img" onmouseover="stop_img()" onmouseout="start_img()">
<li><img src="./image/1.jpg" /></li>
<li><img src="./image/3.jpg" /></li>
<li><img src="./image/2.jpg" /></li>
<li><img src="./image/4.jpg" /></li>
</ul>
<ul id="shidian_nav">
<li class="active" onmouseover="show_img1(this);">1</li>
<li class="active" onmouseover="show_img1(this);">2</li>
<li class="active" onmouseover="show_img1(this);">3</li>
<li class="active" onmouseover="show_img1(this);">4</li>
</ul>
<div class="img_nav">
<span class="left" onclick="left_img()"><<</span>
<span class="right" onclick="right_img()">>></span>
</div>
</div>
<script>
index = 0;
imgs = document.getElementById("shidian_img").children; //獲得圖片節(jié)點(diǎn)
navs = document.getElementById("shidian_nav").children; // 獲得右下圖片導(dǎo)航的節(jié)點(diǎn)
//下一張輪播圖片
function next_img() {
index++;
if (index >= imgs.length) {
index = 0;
}
show_log();
}
//正常顯示圖片
function show_log() {
for (i = 0; i < imgs.length; i++) {
imgs[i].style.display = "none";
imgs[i].className = "";
}
//console.log(index)
if (index >= imgs.length) {
index = 0;
}
imgs[index].style.display = "block";
imgs[index].className = "active";
}
show_log();
timer = setInterval(next_img, 1000);
function stop_img() {
clearInterval(timer);
}
function start_img() {
timer = setInterval(next_img, 1000);
}
//隨機(jī)切換顯示圖片
function show_img1(obj) {
stop_img();
index = getIndex(obj.parentNode, obj);
show_log();
}
//向左翻圖片
function left_img() {
stop_img();
index--;
if (index < 0) index = imgs.length - 1;
show_log();
start_img();
}
//向右翻圖片
function right_img() {
stop_img();
index++;
if (index > imgs.length) index = 0;
show_log();
start_img();
}
//獲得當(dāng)前的節(jié)點(diǎn)
function getIndex(parent, obj) {
//console.log(obj.innerHTML);
e = parent.children;
for (i = 0; i < e.length; i++) {
if (e[i] == obj) {
return i;
}
}
}
</script>
</div>
</body>
</html>以上就是本文的全部內(nèi)容,希望對大家的學(xué)習(xí)有所幫助,也希望大家多多支持創(chuàng)新互聯(lián)。
分享題目:JavaScript實(shí)現(xiàn)簡單輪播圖效果
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