图片点击放大效果

<title>点击放大图片</title>
<!--方法一-->
<img src="/jscss/demoimg/wall.jpg" onclick="this.width+=50;this.height+=50">

<!--方法二-->

<img src="/jscss/demoimg/wall.jpg" onclick="this.style.zoom='2'">

/* -*- Mode: C++; tab- 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

* License, v. 2.0. If a copy of the MPL was not distributed with this

* file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 

/*

* This CSS stylesheet defines the rules to be applied to any ImageDocuments,

* including those in frames.

*/

 

@media not print {

.overflowing {

cursor: zoom-out;

}

 

.shrinkToFit {

cursor: zoom-in;

}

}

 

@media print {

/* We must declare the image as a block element. If we stay as

an inline element, our parent LineBox will be inline too and

ignore the available height during reflow.

This is bad during printing, it means tall image frames won't know

the size of the paper and cannot break into continuations along

multiple pages. */

img {

display: block;

}

}

 

 

<link id="olddefaultimagestyle-stylesheet" rel="stylesheet" olddefaultimagestyle-revision="2" href="data:text/css;charset=utf-8,@media%20not%20print%20%7B%0A%20%20img.decoded%20%7B%20background%3A%20white%3B%20%7D%0A%7D%0A%0A@media%20print%20%7B%20img%20%7B%20display%3A%20block%3B%20%7D%20%7D%0A">

@media not print {

img.decoded { background: white; }

}

 

@media print { img { display: block; } }