Rumah >hujung hadapan web >tutorial js >Melaksanakan kesan penukaran kiri dan kanan imej berdasarkan kemahiran javascript_javascript
Contoh dalam artikel ini memperkenalkan kod javascript terperinci untuk mencapai kesan penukaran kiri dan kanan imej Ia dikongsi dengan semua orang untuk rujukan anda. Kandungan khusus adalah seperti berikut
Rendering:
Kod khusus:
<html> <head> <title>JS图片左右切换效果</title> <meta charset="utf-8"/> <style type="text/css"> *{ margin:0; padding:0; } .images-scroll{ border:1px solid #CCC; margin:100px auto; width:300px; height:200px; position:relative; } .images-scroll ul{ list-style:none; } .images-scroll li{ float:left; display:none; } .images-scroll .active{ display:block; } .images-scroll a{ } .images-scroll img{ width:300px; height:200px; border:none; } .images-scroll .left-scroll{ position:absolute; top:40%; left:-40px; opacity:0; background:url("images/bg_direction_nav.png"); background-repeat:no-repeat; background-position:0px 0px; height:27px; width:27px; cursor:pointer; } .images-scroll .right-scroll{ position:absolute; top:40%; opacity:0; right:-40px; background:url("images/bg_direction_nav.png"); background-repeat:no-repeat; background-position:-30px 0px; height:27px; cursor:pointer; width:27px; } .images-scroll .right-scroll:hover{ background-color:transparent; } </style> <script src="jquery-1.8.2.js"></script> </head> <body> <div id="images-scroll" class="images-scroll"> <ul> <li class="active"><a href=""><img src="images/1.jpg" alt=""></a></li> <li><a href=""><img src="images/2.jpg" alt=""></a></li> <li><a href=""><img src="images/3.jpg" alt=""></a></li> <li><a href=""><img src="images/4.jpg" alt=""></a></li> </ul> <span id="left-scroll" class="left-scroll"></span> <span id="right-scroll" class="right-scroll"></span> </div> <script type="text/javascript"> $("#images-scroll").mouseover(function(){ $("#left-scroll").animate({left: '10px',opacity:'1',},400); $("#right-scroll").animate({right: '10px',opacity:'1',},400); }) $("#images-scroll").mouseleave(function(){ $("#left-scroll").animate({left: '-40px',opacity:'0',},400); $("#right-scroll").animate({right: '-40px',opacity:'0',},400); }) imgScroll=setInterval("runScroll()",3000); var last_idx=$("#images-scroll ul li").index($("#images-scroll ul li:last")); function runScroll(){ var idx=$("#images-scroll ul li").index($("#images-scroll ul .active")[0]); $("#images-scroll li").eq(idx).removeClass("active").hide(); idx+=1; if(idx%(last_idx+1)==0){ idx=0; } $("#images-scroll li").eq(idx).addClass("active").show(); } $("#left-scroll").click(function(){ var idx=$("#images-scroll ul li").index($("#images-scroll ul .active")[0]); $("#images-scroll li").eq(idx).removeClass("active").hide(); idx-=1; if(idx==-1){ idx=last_idx; } $("#images-scroll li").eq(idx).addClass("active").show(); }) $("#right-scroll").click(function(){ runScroll(); }) </script> </body> </html>