js图片自动轮播代码分享(js图片轮播)

2019-11-20 20:43:46

字体：大中小

来源：转载

供稿：网友

1、利用图片width显示位置来播放图片，技术：.offsetWidth 、aBtn[i].index = i 、setInterval() 、oUl[0].style.left = 、onclick()
2、利用数组放入图片经行轮播，技术：setInterval()。没有onclick()

图片轮播12js.html

复制代码代码如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
  <title>images slide</title>
<style type="text/css">
  * {
   margin: 0px;
   padding: 0px;
  }
  li {
   list-style: none;
  }
  img {
   border: 0;
  }
  a {
   text-decoration: none;
  }
  #slide {
   width: 800px;
   height: 400px;
   box-shadow: 0px 0px 5px #c1c1c1;
   margin: 20px auto;
   position: relative;
   overflow: hidden;
  }
  #slide ul {
   position: absolute;
   left: 0px;
   top: 0px;
   height: 400px;
   width: 11930px;
  }
  #slide ul li {
   width: 800px;
   height: 400px;
   overflow: hidden;
   float: left;
  }
  #slide .ico {
   width: 800px;
   height: 20px;
   overflow: hidden;
   text-align: center;
   position: absolute;
   left: 0px;
   bottom: 10px;
   z-index: 1;
  }
  #slide .ico a {
   display: inline-block;
   width: 10px;
   height:10px;
   background: url(out.png) no-repeat 0px 0px;
   margin: 0px 5px;
  }
  #slide .ico .active {
   background: url(out1.png) no-repeat 0px 0px;
  }
  #btnLeft {
   width: 60px;
   height: 400px;
   left: 0px;
   top: 0px;
   background: url() no-repeat 0px 0px;
   position: absolute;
   z-index: 2;
  }
  #btnLeft :hover {
   background: url() no-repeat 0px 0px;
  }
  #btnRight {
   width: 60px;
   height: 400px;
   right: 0px;
   top: 0px;
   background: url() no-repeat 0px 0px;
   position: absolute;
   z-index: 2;
  }
  #btnRight :hover {
   background: url() no-repeat 0px 0px;
  }

</style>

<script type="text/javascript">
  window.onload = function() {
   var oIco = document.getElementById("ico");
   var aBtn = oIco.getElementsByTagName("a");
   var oSlide = document.getElementById("slide");
   var oUl = oSlide.getElementsByTagName("ul");
   var aLi = oUl[0].getElementsByTagName("li");
   var oBtnLeft = document.getElementById("btnLeft");
   var oBtnRight = document.getElementById("btnRight");

   var baseWidth = aLi[0].offsetWidth;
   //alert(baseWidth);
   oUl[0].style.width = baseWidth * aLi.length + "px";
   var iNow = 0;
   for(var i=0;i<aBtn.length;i++) {
    aBtn[i].index = i;
    aBtn[i].onclick = function() {
     //alert(this.index);
     //alert(oUl[0].style.left);
     move(this.index);
     //aIco[this.index].className = "active";
    }
   }
   oBtnLeft.onclick = function() {
    iNow ++;
    //document.title = iNow;
    move(iNow);
   }
   oBtnRight.onclick = function() {
    iNow --;
    document.title = iNow;
    move(iNow);
   }

   var curIndex = 0;
   var timeInterval = 1000;
   setInterval(change,timeInterval);
   function change() {
    if(curIndex == aBtn.length) {
     curIndex =0;
    } else {
     move(curIndex);
     curIndex += 1;
    }

}

图片自动播放.html

复制代码代码如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
 <head> 
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
  <title>images</title> 
 <script type="text/javascript"> 
  var curIndex = 0; 
  var timeInterval = 1000; 
  var arr = new Array(); 
  arr[0] = "1.jpg"; 
  arr[1] = "2.jpg"; 
  arr[2] = "3.jpg"; 
  arr[3] = "4.jpg"; 
  arr[4] = "5.jpg"; 
  arr[5] = "6.jpg"; 
  arr[6] = "7.jpg"; 
  setInterval(changeImg,timeInterval); 
  function changeImg() { 
   var obj = document.getElementById("obj"); 
   if (curIndex == arr.length-1) { 
    curIndex = 0; 
   } else { 
    curIndex += 1; 
     } 
   obj.src = arr[curIndex]; 
  } 
 </script> 

 <!-- <script language="javascript"> 
  setInterval(test,1000); 
  var array = new Array(); 
  var index = 0; 
  var array = new Array("image/1.jpg","image/2.jpg","image/3.jpg","image/4.jpg","image/5.jpg","image/6.jpg","image/7.jpg","image/8.jpg","image/9.jpg","image/10.jpg"); 
  function test() { 
   var myimg=document.getElementById("imgs"); 
   if(index==array.length-1) 
   { index=0; }else{ index++; } 
   myimg.src=array[index]; 
  } 
 </script> -->
 </head> 
 <body> 
  <img id = "obj" src = "1.jpg" border = 0 /> 
 </body> 
</html> 