欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  IT编程

JavaScript实现大图轮播效果

程序员文章站 2023-11-23 15:29:16
本文实例为大家分享了js图片轮播效果的具体代码,供大家参考,具体内容如下

本文实例为大家分享了js图片轮播效果的具体代码,供大家参考,具体内容如下

<head>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=utf-8" />
  <title>大图轮播</title>
  <style type="text/css">
   * {
    margin: 0px;
    padding: 0px;
   }
   
   #container {
    width: 500px;
    height: 300px;
    /*border: 1px solid black;*/
    position: relative;
    overflow: hidden;
   }
   
   .btn {
    height: 100%;
    width: 30px;
    /*border: 1px solid red;*/
    position: absolute;
    text-align: center;
    line-height: 300px;
    font-size: 40px;
    font-weight: 900;
    color: black;
    opacity: 0.3;
    transition: 0.6s;
    z-index: 999;
    background-color: white;
   }
   
   .btn:hover {
    cursor: pointer;
    opacity: 0.8;
   }
   
   #left-btn {
    left: 0px;
    top: 0px;
   }
   
   #right-btn {
    right: 0px;
    top: 0px;
   }
   
   #ad-container {
    width: 2500px;
    height: 300px;
    /*border: 1px solid blue;*/
    position: relative;
   }
   
   .ad {
    width: 500px;
    height: 300px;
    float: left;
    text-align: center;
    line-height: 300px;
    font-size: 100px;
    font-family: "微软雅黑";
   }
  </style>
 </head>

 <body>
  <div id="container">
   <div id="left-btn" class="btn">
    <</div>
     <div id="right-btn" class="btn">></div>
     <div id="ad-container">
      <div class="ad" style="background-color: mediumpurple;">1</div>
      <div class="ad" style="background-color: yellowgreen;">2</div>
      <div class="ad" style="background-color: rosybrown;">3</div>
      <div class="ad" style="background-color: salmon;">4</div>
      <div class="ad" style="background-color: cyan;">5</div>
     </div>
   </div>
 </body>

</html>
<script type="text/javascript">
 var rightbtn = document.getelementbyid("right-btn");
 var leftbtn = document.getelementbyid("left-btn");
 var n = 1;
/* var count = 1*/;
 var arr = new array();
/* var m=1;
*/ rightbtn.onclick = function() {
  var x = window.setinterval("to_right()", 20);
  arr.push(x);
 }

 function clear() {
  for(var i in arr) {
   window.clearinterval(arr[i]);
  }
 }

 function to_right() {

  var adcontainer = document.getelementbyid("ad-container");
  if(n == 5) {
   clear();
  } else if(adcontainer.offsetleft != n * (-500)) {
   adcontainer.style.marginleft = adcontainer.offsetleft - 25 + "px";
  } else {
   n++;
   clear();
  }
 }
 var arr1 = new array();

 leftbtn.onclick = function() {
  var y = window.setinterval("to_left()", 20);
  arr1.push(y);
 }

 function clear2() {
  for(var y in arr1) {
   window.clearinterval(arr1[y]);
  }
 }

 function to_left() {

  var adcontainer = document.getelementbyid("ad-container");
  if(n == 1) {
   clear2();
  } else if(adcontainer.offsetleft != (n-2) * (-500)) {
   adcontainer.style.marginleft = adcontainer.offsetleft + 25 + "px";
  } else {
   n--;
   clear2();
  }
 }

 
</script>

精彩专题分享:jquery图片轮播 javascript图片轮播

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。