html中鼠标移上去如何使图片放大 HTML中怎么使鼠标悬停在图片上，使图片变大？求代码解释。
\u5728html\u4e2d\u600e\u4e48\u7528js\u5b9e\u73b0\u9f20\u6807\u6307\u5411\u56fe\u7247\u65f6\u56fe\u7247\u653e\u5927\u7684\u6548\u679c\uff1f\uff08\u5177\u4f53\u5b9e\u73b0\uff09\u5206\u522b\u5199\u4e00\u4e2aonmouseover\u548conmouseout\u4e8b\u4ef6\u3002\u7136\u540e\u5728\u4e8b\u4ef6\u91cc\u9762\u52a0\u4e00\u4e2afunction\uff0c\u5206\u522b\u5199\u60f3\u8981\u653e\u5927\u7684\u5c3a\u5bf8\u548c\u7f29\u5c0f\u6216\u590d\u539f\u7684\u5c3a\u5bf8\u3002
\u5177\u4f53\u4ee3\u7801\u5b9e\u73b0\u5982\u4e0b\uff1a
var img = document.getElementById('img');
function bigger(){ img.style.width = '400px'; img.style.height = '400px'; }
function smaller(){ img.style.width = '100px'; img.style.height = '100px'; }
\u6269\u5c55\u8d44\u6599\uff1a
HTML 4.0 \u7684\u65b0\u7279\u6027\u4e4b\u4e00\u662f\u6709\u80fd\u529b\u4f7f HTML \u4e8b\u4ef6\u89e6\u53d1\u6d4f\u89c8\u5668\u4e2d\u7684\u52a8\u4f5c\uff08action\uff09\uff0c\u6bd4\u5982\u5f53\u7528\u6237\u70b9\u51fb\u67d0\u4e2a HTML \u5143\u7d20\u65f6\u542f\u52a8\u4e00\u6bb5 JavaScript\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u5c5e\u6027\u5217\u8868\uff0c\u8fd9\u4e9b\u5c5e\u6027\u53ef\u63d2\u5165 HTML \u6807\u7b7e\u6765\u5b9a\u4e49\u4e8b\u4ef6\u52a8\u4f5c\u3002
\u53c2\u8003\u8d44\u6599\uff1a
JavaScript\u5b98\u65b9API\u63a5\u53e3-GlobalEventHandlers.onmouseover
JavaScript\u5b98\u65b9API\u63a5\u53e3-GlobalEventHandlers.onmouseout
W3cSchool-JavaScript \u4e8b\u4ef6\u53c2\u8003\u624b\u518c
window.onload = function(){ var img = document.getElementById("imgTest"); if (document.addEventListener){ img.addEventListener("mouseover",doMouseover,false); img.addEventListener("mouseout",doMouseout,false); } else if(document.attachEvent){ img.attachEvent("mouseover",doMouseover); img.attachEvent("mouseout",doMouseout); } else{ img.onmouseover = doMouseover; img.onmouseout = doMouseout; }}function doMouseover(){ this.width = this.width * 1.5; this.height = this.height * 1.5;}function doMouseout(){ this.width = this.width / 1.5; this.height = this.height / 1.5;}
.gallery img {width: 250px;
transition: .1s transform;
transform: translateZ(0);
}
.gallery:hover img {
transform: scale(1.5, 1.5);
transition: .3s transform;
}
js
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绛旓細鍒嗗埆鍐欎竴涓猳nmouseover鍜宱nmouseout浜嬩欢銆傜劧鍚庡湪浜嬩欢閲岄潰鍔犱竴涓猣unction锛屽垎鍒啓鎯宠鏀惧ぇ鐨勫昂瀵稿拰缂╁皬鎴栧鍘熺殑灏哄銆傚叿浣撲唬鐮佸疄鐜板涓嬶細<img id="img" onmouseover="bigger()" onmouseout="smaller()" src="浣鐨勫浘鐗璺緞" style="width:100px;height:100px;" /> <script type="text/javascript"> var ...
绛旓細<!DOCTYPE html><html><head><meta charset=utf-8><title>dd</title><style> li img{ display:none; } li:hover img{ display:block; }</style></head><body><ul><li> <div>swwwwwwww</div> <img src="aa.jpg" /></li></ul></body></html> ...
绛旓細.a { background-image: url(xx.jpg);}.a:hover { background-image: url(yy.jpg);}
绛旓細.gallery img { width: 250px;transition: .1s transform;transform: translateZ(0);} .gallery:hover img { transform: scale(1.5, 1.5);transition: .3s transform;}
绛旓細<div style="cursor:hand" onmouseover="theimg.src='b.jpg'" onmouseout="theimg.src='a.jpg'"> <img id="theimg" src="a.jpg"> </div> 鍏跺疄濡傛灉鍙槸涓涓鍥剧墖锛屾病鏈夊繀瑕佸仛鎴恉iv锛岀洿鎺ヨ繖鏍峰啓灏辫浜嗭細<img src="a.jpg" style="cursor:hand" onmouseover="this.src='b.jpg'" ...
绛旓細1銆侀鍏堣緭鍏ヤ唬鐮侊細<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>榧犳爣鎮仠鏂囧瓧涓婃樉绀鍥剧墖</title> 2...
绛旓細鐢╟ss銆俬ttp://www.w3school.com.cn/cssref/selector_hover.asp
