How to achieve Trojan carousel effect in js-JS Tutorial-php.cn

Home

Web Front-end

JS Tutorial

How to achieve Trojan carousel effect in js

王林

Mar 24, 2020 am 10:57 AM

js carousel

How to achieve Trojan carousel effect in js

First of all, let’s take a look at the effect of the Trojan carousel:

How to achieve Trojan carousel effect in js

##The specific code is as follows:

(Recommended tutorial:

js tutorial)

Part of the html code:

<!DOCTYPE html>
<html>
<head>
 <meta charset="UTF-8">
 <title>旋转木马轮播图</title>
 <link rel="stylesheet" href="css/myStyle.css" rel="external nofollow" />
 <script type="text/javascript" src="js/animate.js"></script>
 <script type="text/javascript" src="js/my.js"></script>
</head>
<body>
<div id="wrap">
 <div id="slide">
  <ul>
   <li><a href="#"><img src="/static/imghw/default1.png"  data-src="images/slidepic1.jpg"  class="lazy"   alt=""/></a></li>
   <li><a href="#"><img src="/static/imghw/default1.png"  data-src="images/slidepic2.jpg"  class="lazy"   alt=""/></a></li>
   <li><a href="#"><img src="/static/imghw/default1.png"  data-src="images/slidepic3.jpg"  class="lazy"   alt=""/></a></li>
   <li><a href="#"><img src="/static/imghw/default1.png"  data-src="images/slidepic4.jpg"  class="lazy"   alt=""/></a></li>
   <li><a href="#"><img src="/static/imghw/default1.png"  data-src="images/slidepic5.jpg"  class="lazy"   alt=""/></a></li>
  </ul>
  <div id="arrow">
   <a href="javascript:;" id="arrLeft"></a>
   <a href="javascript:;" id="arrRight"></a>
  </div>
 </div>
</div>
</body>
</html>

Copy after login

Part of the code of the myStyle.css file introduced in the html part

@charset "UTF-8";
 
blockquote,body,button,dd,dl,dt,fieldset,form,h1,h2,h3,h4, h5, h6, hr, input, legend, li, ol, p, pre, td, textarea, th, ul{
 margin:0;
 padding:0
}
 
body,button,input,select,textarea{
 font:12px/1.5 "Microsoft YaHei", "微软雅黑", SimSun, "宋体", sans-serif;
 color:#666;
}
 
ol,ul{
 list-style:none
}
 
a{
 text-decoration:none
}
 
fieldset,img{
 border:0;
 vertical-align:top;
}
 
a,input,button,select,textarea{
 outline:none
}
 
a,button{
 cursor:pointer
}
 
.wrap{
 width:1200px;
 margin:100px auto;
}
.slide{
 height:500px;
 position: relative;
}
 
.slide li{
 position:absolute;
 left:200px;
 top:0
}
 
.slide li img{
 width:100%
}
 
.arrow{
 opacity:0;
}
 
.prev ,.next{
 width:76px;
 height:112px;
 position:absolute;
 top:50%;
 margin-top:-56px;
 background:url(../images/prev.png) no-repeat;
 z-index:99;
}
 
 
.next{
 right:0;
 background-image:url(../images/next.png);
}

Copy after login

Partial code of the animate.js file introduced in the html part

/**
 * Created by RENPINGSHENG on 2018/4/6.
 */
 
function animate(obj,json,fn) {
 clearInterval(obj.timer);
 obj.timer = setInterval(function () {
  var flag = true;
  for(var k in json){
   if( k == "opacity"){
    var leader = getStyle(obj,k) * 100;
    var target = json[k] * 100;
    var step = (target - leader) /10;
    step = step > 0 ? Math.ceil(step) : Math.floor(step);
    leader = leader + step;
    obj.style[k] = leader /100;
   } else if ( k == "zIndex"){
    obj.style[k] = json[k];
   }else{
    var leader = parseInt(getStyle(obj,k)) || 0;
    var target = json[k];
    var step = (target - leader) /10;
    step = step >0 ? Math.ceil(step) : Math.floor(step);
    leader = leader + step;
    obj.style[k] = leader + "px";
   }
 
   console.log("target:" + target + "leader:" + leader + "step:" + step);
   if (leader != target){
    flag = false;
   }
  }
 
  if (flag){
   clearInterval(obj.timer);
   if(fn){
    fn();
   }
  }
 },15)
}
 
function getStyle(obj,attr){
 if (obj.currentStyle){
  return obj.currentStyle[attr];
 }else{
  return window.getComputedStyle(obj,null)[attr];
 }
}

Copy after login

Partial code of the my.js file introduced in the html part

/**
 * Created by RENPINGSHENG on 2018/4/6.
 */
 
 
window.onload = function () {
 var wrap = document.getElementById("wrap");
 var slide = document.getElementById("slide");
 var ul = slide.children[0];
 var lis = ul.children;
 var arrow = document.getElementById("arrow");
 var arrRight = document.getElementById("arrRight");
 var arrLeft = document.getElementById("arrLeft");
 
 var config = [
  {
   width:400,
   top:20,
   left:50,
   opacity:0.2,
   zIndex:2
  },
  {
   width:600,
   top:70,
   left:0,
   opacity:0.8,
   zIndex:3
  },
  {
   width:800,
   top:100,
   left:200,
   opacity:1,
   zIndex:4
  },
  {
   width:600,
   top:70,
   left:600,
   opacity:0.8,
   zIndex:3
  },
  {
   width:400,
   top:20,
   left:750,
   opacity:0.2,
   zIndex:2
  }
 ];
 
 wrap.onmouseover = function () {
  animate(arrow,{"opacity":1});
 }
 wrap.onmouseout = function () {
  animate(arrow,{"opacity":0});
 }
 function assign() {
  for(var i = 0;i < lis.length;i++){
   animate(lis[i],config[i],function(){
    flag = true;
   })
  }
 }
 
 var flag = true;
 assign();
 arrRight.onclick = function () {
  flag = false;
  config.push(config.shift());
  assign();
 };
 arrLeft.onclick = function () {
  flag = false;
  config.unshift(config.pop());
  assign();
 }
}

Copy after login

The file structure of the entire page is as shown below:

How to achieve Trojan carousel effect in js

More cool CSS3, html5, javascript special effects codes, all in:

js special effects collection

The above is the detailed content of How to achieve Trojan carousel effect in js. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress images for free

Clothoff.io

AI clothes remover

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Assassin's Creed Shadows: Seashell Riddle Solution

4 weeks ago By DDD

What's New in Windows 11 KB5054979 & How to Fix Update Issues

3 weeks ago By DDD

Where to find the Crane Control Keycard in Atomfall

4 weeks ago By DDD

How to fix KB5055523 fails to install in Windows 11?

2 weeks ago By DDD

InZoi: How To Apply To School And University

3 weeks ago By DDD

Hot Tools

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Hot Topics

Where is the login entrance for gmail email?

7746

Java Tutorial

1643

CakePHP Tutorial

1397

Laravel Tutorial

1291

PHP Tutorial

1234

Related knowledge

How to use JS and Baidu Maps to implement map pan function Nov 21, 2023 am 10:00 AM

How to use JS and Baidu Map to implement map pan function Baidu Map is a widely used map service platform, which is often used in web development to display geographical information, positioning and other functions. This article will introduce how to use JS and Baidu Map API to implement the map pan function, and provide specific code examples. 1. Preparation Before using Baidu Map API, you first need to apply for a developer account on Baidu Map Open Platform (http://lbsyun.baidu.com/) and create an application. Creation completed

Recommended: Excellent JS open source face detection and recognition project Apr 03, 2024 am 11:55 AM

Face detection and recognition technology is already a relatively mature and widely used technology. Currently, the most widely used Internet application language is JS. Implementing face detection and recognition on the Web front-end has advantages and disadvantages compared to back-end face recognition. Advantages include reducing network interaction and real-time recognition, which greatly shortens user waiting time and improves user experience; disadvantages include: being limited by model size, the accuracy is also limited. How to use js to implement face detection on the web? In order to implement face recognition on the Web, you need to be familiar with related programming languages and technologies, such as JavaScript, HTML, CSS, WebRTC, etc. At the same time, you also need to master relevant computer vision and artificial intelligence technologies. It is worth noting that due to the design of the Web side

How to create a stock candlestick chart using PHP and JS Dec 17, 2023 am 08:08 AM

How to use PHP and JS to create a stock candle chart. A stock candle chart is a common technical analysis graphic in the stock market. It helps investors understand stocks more intuitively by drawing data such as the opening price, closing price, highest price and lowest price of the stock. price fluctuations. This article will teach you how to create stock candle charts using PHP and JS, with specific code examples. 1. Preparation Before starting, we need to prepare the following environment: 1. A server running PHP 2. A browser that supports HTML5 and Canvas 3

Essential tools for stock analysis: Learn the steps to draw candle charts with PHP and JS Dec 17, 2023 pm 06:55 PM

Essential tools for stock analysis: Learn the steps to draw candle charts in PHP and JS. Specific code examples are required. With the rapid development of the Internet and technology, stock trading has become one of the important ways for many investors. Stock analysis is an important part of investor decision-making, and candle charts are widely used in technical analysis. Learning how to draw candle charts using PHP and JS will provide investors with more intuitive information to help them make better decisions. A candlestick chart is a technical chart that displays stock prices in the form of candlesticks. It shows the stock price

How to use JS and Baidu Map to implement map click event processing function Nov 21, 2023 am 11:11 AM

Overview of how to use JS and Baidu Maps to implement map click event processing: In web development, it is often necessary to use map functions to display geographical location and geographical information. Click event processing on the map is a commonly used and important part of the map function. This article will introduce how to use JS and Baidu Map API to implement the click event processing function of the map, and give specific code examples. Steps: Import the API file of Baidu Map. First, import the file of Baidu Map API in the HTML file. This can be achieved through the following code:

How to use JS and Baidu Maps to implement map heat map function Nov 21, 2023 am 09:33 AM

How to use JS and Baidu Maps to implement the map heat map function Introduction: With the rapid development of the Internet and mobile devices, maps have become a common application scenario. As a visual display method, heat maps can help us understand the distribution of data more intuitively. This article will introduce how to use JS and Baidu Map API to implement the map heat map function, and provide specific code examples. Preparation work: Before starting, you need to prepare the following items: a Baidu developer account, create an application, and obtain the corresponding AP

PHP and JS Development Tips: Master the Method of Drawing Stock Candle Charts Dec 18, 2023 pm 03:39 PM

With the rapid development of Internet finance, stock investment has become the choice of more and more people. In stock trading, candle charts are a commonly used technical analysis method. It can show the changing trend of stock prices and help investors make more accurate decisions. This article will introduce the development skills of PHP and JS, lead readers to understand how to draw stock candle charts, and provide specific code examples. 1. Understanding Stock Candle Charts Before introducing how to draw stock candle charts, we first need to understand what a candle chart is. Candlestick charts were developed by the Japanese

Use WeChat applet to achieve carousel switching effect Nov 21, 2023 pm 05:59 PM

Use the WeChat applet to achieve the carousel switching effect. The WeChat applet is a lightweight application that is simple and efficient to develop and use. In WeChat mini programs, it is a common requirement to achieve carousel switching effects. This article will introduce how to use the WeChat applet to achieve the carousel switching effect, and give specific code examples. First, add a carousel component to the page file of the WeChat applet. For example, you can use the <swiper> tag to achieve the switching effect of the carousel. In this component, you can pass b

See all articles