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Implementation of javascript picture sliding effect_javascript skills

WBOYOriginal: 2016-05-16 15:32:432000browse

This article shares with you how to implement the JavaScript image sliding effect. The specific content is as follows. Let’s take a look at the rendering first:

Mouse over that picture to display the complete picture. If you remove it, it will be reset:

Simple CSS and JS operation DOM implementation:

<!doctype html>
<html>
 <head>
  <meta charset="UTF-8">
  <title>sliding doors</title>
  <link rel="stylesheet" href="styles/reset.css" />
  <link rel="stylesheet" href="styles/slidingdoors.css" />
  <script src="scripts/slidingdoors.js"></script>
 </head>
 <body>
  <div id='container'>
   <img src="images/door1.png" alt="Implementation of javascript picture sliding effect_javascript skills" title="Implementation of javascript picture sliding effect_javascript skills" />
   <img src="images/door2.png" alt="5.5寸四核" title="5.5寸四核" />
   <img src="images/door3.png" alt="四核5寸" title="四核5寸" />
   <img src="images/door4.png" alt="5.7寸机皇" title="5.7寸机皇" />
  </div>
 </body>
</html>

css:

#container {
 height: 477px;
 margin: 0 auto;
 border-right: 1px solid #ccc;
 border-bottom: 1px solid #ccc;
 overflow: hidden;
 position: relative;
}

#container img {
 position: absolute;
 display: block;
 left: 0;
 border-left: 1px solid #ccc;
}

js operation:

window.onload = function() {
 //容器对象
 var box = document.getElementById('container');

 //获得图片NodeList对象集合
 var imgs = box.getElementsByTagName('img');

 //单张图片的宽度
 var imgWidth = imgs[0].offsetWidth;

 //设置掩藏门体露出的宽度
 var exposeWidth = 180;

 //设置容器总宽度
 var boxWidth = imgWidth + (imgs.length - 1) * exposeWidth;
 box.style.width = boxWidth + 'px';

 //设置每道门的初始位置
 function setImgsPos() {
  for (var i = 1, len = imgs.length; i < len; i++) {
   imgs[i].style.left = imgWidth + exposeWidth * (i - 1) + 'px';
  }
 }
 setImgsPos();

 //计算每道门打开时应移动的距离
 var translate = imgWidth - exposeWidth;

 //为每道门绑定事件
 for (var i = 0, len = imgs.length; i < len; i++) {
  //使用立即调用的函数表答式，为了获得不同的i值
  (function(i) {
   imgs[i].onmouseover = function() {
    //先将每道门复位
    setImgsPos();
    //打开门
    for (var j = 1; j <= i; j++) {
     imgs[j].style.left = parseInt(imgs[j].style.left, 10) - translate + 'px';
     //imgs[j].style.left = j*exposeWidth +"px";
    }
   };
   imgs[i].onmouseout = function(){
    setImgPos();
   };
  })(i);
 }
};

I hope this article will be helpful to everyone learning JavaScript programming.

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