本文實例講述了JS實現圖片高亮展示效果的方法。分享給大家供大家參考，具體如下：
昨天朋友讓我幫著做個圖片高亮展示的效果，雖然不難，不過滿有創意的：
<!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="名稱1"><img onmouseover="gallery(this);" onmouseout="clearBg(this)" src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名稱1"/><span></span></a></li> <li><a href="#" title="名稱2"><img onmouseover="gallery(this);" onmouseout="clearBg(this)" src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名稱2"/><span></span></a></li> <li><a href="#" title="名稱3"><img onmouseover="gallery(this);" onmouseout="clearBg(this)" src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名稱3"/><span></span></a></li> <li><a href="#" title="名稱4"><img onmouseover="gallery(this);" onmouseout="clearBg(this)" src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名稱4"/><span></span></a></li> <li><a href="#" title="名稱5"><img onmouseover="gallery(this);" onmouseout="clearBg(this)" src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名稱5"/><span></span></a></li> <li><a href="#" title="名稱6"><img onmouseover="gallery(this);" onmouseout="clearBg(this)" src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名稱6"/><span></span></a></li> </ul><div id="trans"> </div><strong id="show_tit"> </strong></div></body></html>剛開始因為沒有完全明白設計意圖，陰差陽錯的做了個這樣的效果：
<!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="這里顯示名字"}; }</script></head><body><div id="imagesBox"> <ul> <li><a href="#" onmouseover="gallery(this);" title="名稱1"><img src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名稱1"/><span></span></a></li> <li><a href="#" onmouseover="gallery(this);" title="名稱2"><img src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名稱2"/><span></span></a></li> <li><a href="#" onmouseover="gallery(this);" title="名稱3"><img src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名稱3"/><span></span></a></li> <li><a href="#" onmouseover="gallery(this);" title="名稱4"><img src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名稱4"/><span></span></a></li> <li><a href="#" onmouseover="gallery(this);" title="名稱5"><img src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名稱5"/><span></span></a></li> <li><a href="#" onmouseover="gallery(this);" title="名稱6"><img src="/images/artist//12053006018793_3.jpg" height="55" width="55" alt="名稱6"/><span></span></a></li> </ul> <strong id="show_tit">這里顯示名字</strong></div></body></html>希望本文所述對大家JavaScript程序設計有所幫助。
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