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js implements browsing pictures in the same window_javascript skills

WBOY
WBOYOriginal
2016-05-16 16:36:031219browse

There are many ways to browse images in the same window. In this example, I will introduce to you how to use js to obtain the src attribute of img and then replace it. Friends who need this can refer to the following 

  <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 
  <html> 
  <head> 
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 
  <title>Insert title here</title> 
  <style> 
   
  h1{position:absolute;margin-left:150px;} 
  ul{position:absolute;margin-top:50px;margin-left:80px;} 
  li{float:left;list-style:none;padding:1em;} 
  img{position:absolute;margin-top:100px;margin-left:100px;width:1000px;height:600px;} 
  p{position:absolute;margin-top:800px;margin-left:550px;} 
  </style> 
   
  <script> 
  function showCat(a){ 
    var osrc=a.getAttribute("href"); 
    var oimg=document.getElementById("img1"); 
    oimg.setAttribute("src",osrc); 
   
    var op=document.getElementById("p1"); 
    var otxt=a.getAttribute("title"); 
    op.childNodes[0].nodeValue=otxt;; 
  } 
  </script> 
  </head> 
  <body> 
  <h1>Cat Home</h1> 
  <ul> 
    <li> 
      <a href="img/1.jpg" title="我是白猫咪" onclick="showCat(this);return false;">白猫咪</a> 
    </li> 
    <li> 
      <a href="img/2.jpg" title="我是黑猫咪" onclick="showCat(this);return false;">黑猫咪</a> 
    </li> 
    <li> 
      <a href="img/3.jpg" title="我是花猫咪" onclick="showCat(this);return false;">花猫咪</a> 
    </li> 
  </ul> 
   
  <img id="img1" src="img/4.jpg" alt="猫咪"/> 
  <p id="p1">choose Cat Photo</p> 
   
  </body> 
  </html>
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