이미지 강조 표시 효과 example_javascript 기술의 JS 구현-JS 튜토리얼-php.cn

이미지 강조 표시 효과 example_javascript 기술의 JS 구현

WBOY

풀어 주다： 2016-05-16 15:30:06

원래의

1417명이 탐색했습니다.

이 기사의 예에서는 JS를 사용하여 이미지 강조 효과를 얻는 방법을 설명합니다. 참고하실 수 있도록 모든 사람과 공유하세요. 자세한 내용은 다음과 같습니다.

어제 친구가 사진 강조 효과를 만드는 데 도움을 달라고 했습니다. 어렵지는 않지만 매우 창의적입니다.

<!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>name</title>
<style type="text/css">
*{}{margin:0; padding:0;}
a img{}{border:none;}
#imagesBox {}{ width:165px; height:110px; position:relative; left:100px; top:100px; z-index:1; border:1px solid black; background-color:white;}
#trans{}{ width:165px; height:110px; position:absolute; left:0; top:0; z-index:2; display:none; opacity:0.5; filter:alpha(opacity=50); background-color:black;}
#imagesBox li {}{ width:55px; height:55px; float:left; overflow:hidden;}
#imagesBox li a,#imagesBox li img {}{ width:55px; height:55px; display:block; cursor:pointer;}
#imagesBox li img{}{ position:relative;}
#imagesBox strong{}{position:absolute;left:0; top:50%; margin-top:-7px; z-index:999; display:block; color:white; width:100%; height:15px; text-align:center; z-index:999;} 
</style>
<script type="text/javascript">
  function gallery(obj){
    var tit=obj.getAttribute("alt");  
    document.getElementById("show_tit").firstChild.nodeValue=tit;
    document.getElementById("trans").style.display='block';
    obj.style.zIndex="3";
  }
  function clearBg(obj){
    document.getElementById("show_tit").firstChild.nodeValue="";
    document.getElementById("trans").style.display='none';
    obj.style.zIndex="1";
  }
</script>
</head>
<body>
<div id="imagesBox"> 
  <ul>
  <li><a href="#" title="名称1"><img onmouseover="gallery(this);" onmouseout="clearBg(this)" src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名称1"/><span></span></a></li>
  <li><a href="#" title="名称2"><img onmouseover="gallery(this);" onmouseout="clearBg(this)" src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名称2"/><span></span></a></li>
  <li><a href="#" title="名称3"><img onmouseover="gallery(this);" onmouseout="clearBg(this)" src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名称3"/><span></span></a></li>
  <li><a href="#" title="名称4"><img onmouseover="gallery(this);" onmouseout="clearBg(this)" src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名称4"/><span></span></a></li>
  <li><a href="#" title="名称5"><img onmouseover="gallery(this);" onmouseout="clearBg(this)" src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名称5"/><span></span></a></li>
  <li><a href="#" title="名称6"><img onmouseover="gallery(this);" onmouseout="clearBg(this)" src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名称6"/><span></span></a></li>
 </ul>
<div id="trans"> </div>
<strong id="show_tit"> </strong>
</div>
</body>
</html>

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처음에는 디자인 의도를 제대로 이해하지 못해 실수로 이런 효과를 만들어냈습니다.

<!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>name</title>
<style type="text/css">
*{margin:0; padding:0;}
a img{border:none;}
#imagesBox { width:165px; height:100px; position:relative; left:100px; top:100px;}
#imagesBox li { width:55px; height:55px; float:left; overflow:hidden; position:relative;}
#imagesBox li img { width:55px; height:55px; position:relative; z-index:2; }
#imagesBox li span { line-height:100px; background:#000; position:absolute; top:0; left:0; z-index:3; opacity:0.5; filter:alpha(opacity=50); 
display:block; width:55px; height:55px;}
#imagesBox li a:hover span{display:none;} 
#imagesBox strong{position:absolute;left:0; top:50%; margin-top:-7px; z-index:999; display:block; color:white; width:100%; height:15px; text-
align:center;} 
</style>
<script type="text/javascript">
  function gallery(obj){
    var tit=obj.getAttribute("title");  
    document.getElementById("show_tit").firstChild.nodeValue=tit;
    document.getElementById("imagesBox").onmouseout=function(){document.getElementById("show_tit").firstChild.nodeValue="这里显示
名字"};
  }
</script>
</head>
<body>
<div id="imagesBox">
 <ul>
  <li><a href="#" onmouseover="gallery(this);" title="名称1"><img src="/images/artist//12053006018793_3.jpg" height="55" 
width="55" alt="名称1"/><span></span></a></li>
  <li><a href="#" onmouseover="gallery(this);" title="名称2"><img src="/images/artist//12053006018793_3.jpg" height="55" 
width="55" alt="名称2"/><span></span></a></li>
  <li><a href="#" onmouseover="gallery(this);" title="名称3"><img src="/images/artist//12053006018793_3.jpg" height="55" 
width="55" alt="名称3"/><span></span></a></li>
  <li><a href="#" onmouseover="gallery(this);" title="名称4"><img src="/images/artist//12053006018793_3.jpg" height="55" 
width="55" alt="名称4"/><span></span></a></li>
  <li><a href="#" onmouseover="gallery(this);" title="名称5"><img src="/images/artist//12053006018793_3.jpg" height="55" 
width="55" alt="名称5"/><span></span></a></li>
  <li><a href="#" onmouseover="gallery(this);" title="名称6"><img src="/images/artist//12053006018793_3.jpg" height="55" 
width="55" alt="名称6"/><span></span></a></li>
 </ul>
 <strong id="show_tit">这里显示名字</strong>
</div>
</body>
</html>

로그인 후 복사

이 기사가 JavaScript 프로그래밍에 종사하는 모든 사람에게 도움이 되기를 바랍니다.