<html>
<head>
<script type="text/javascript">
function changeSize()
{
if(document.getElementById("compman").height="98"
{document.getElementById("compman").height="250"
document.getElementById("compman").width="300"
document.getElementById("bt").value="还原以前大小"
}
else
{
document.getElementById("compman").height="98"
document.getElementById("compman").width="107"
document.getElementById("bt").value="改变图片大小"
}
}
</script>
</head> <body>
<img id="compman" src="My Pictures/Ecw.jpg" width="107" height="98" />
<br /> <br />
<input type="button" onClick="changeSize()" value="改变图片大小" id="bt">
</body> </html>
方法是蠢了点,但可以实现你要的功能
<head>
<script type="text/javascript">
function changeSize()
{
if(document.getElementById("compman").height="98"
{document.getElementById("compman").height="250"
document.getElementById("compman").width="300"
document.getElementById("bt").value="还原以前大小"
}
else
{
document.getElementById("compman").height="98"
document.getElementById("compman").width="107"
document.getElementById("bt").value="改变图片大小"
}
}
</script>
</head> <body>
<img id="compman" src="My Pictures/Ecw.jpg" width="107" height="98" />
<br /> <br />
<input type="button" onClick="changeSize()" value="改变图片大小" id="bt">
</body> </html>
方法是蠢了点,但可以实现你要的功能
if(document.getElementById("compman").height="98" )
<head>
<script type="text/javascript">
function changeSize(img,obj){
var niw = img.width;
var nih = img.height;
var iw=img.getAttribute("iw");
var ih=img.getAttribute("ih");
if(!iw){
img.setAttribute("iw",niw);
img.setAttribute("ih",nih);
}
img.width=(niw==300)?iw:300;
img.height=(nih==250)?ih:250;
obj.value=(obj.value=="改变图片大小")?"还原以前大小":"改变图片大小";
}
</script>
</head><body>
<img id="compman" src="My Pictures/Ecw.jpg" width="107" height="98" />
<br /> <br />
<input type="button" onClick="changeSize(document.getElementById('compman'),this)" value="改变图片大小" id="bt">
</body></html>