js实现兼容IE、Firefox的图片缩放代码
本文实例讲述了js实现兼容IE、Firefox的图片缩放代码。分享给大家供大家参考，具体如下：
function SetSize(obj, width, height) {
myImage = new Image();
myImage.src = obj.src;
if (myImage.width > 0 && myImage.height > 0) {
var rate = 1;
if (myImage.width > width || myImage.height > height) {
if (width / myImage.width < height / myImage.height) {
rate = width / myImage.width;
} else {
rate = height / myImage.height;
}
}
if (window.navigator.appName == "Microsoft Internet Explorer") {
obj.style.zoom = rate;
} else {
obj.width = myImage.width * rate;
obj.height = myImage.height * rate;
}
}
}
用法：
代码如下:<img src="img/offer/41936519.jpg" border="0" style="zoom: 0.1" onload="SetSize(this, 80, 60)"/>
这种方法在IE、FIREFOX、OPERA、NETSCAPE测试都适用。
希望本文所述对大家JavaScript程序设计有所帮助。
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