<script language="javascript">
if (document.readyState=="complete")
{
AdjustImageSize();
}
else
{
document.onreadystatechange = function()
{
if (document.readyState == "complete")
{
AdjustImageSize();
}
}
}
function AdjustImageSize()
{
var imageWidth = document.all["SendPic"].width;
var imageHeight = document.all["SendPic"].height;
if (imageWidth == 0 && imageHeight == 0)
{
document.write ("圖片下載失敗，請刷新！");
return;
}
if (imageWidth > 160 || imageHeight > 160)
{
if (imageWidth > imageHeight)
{
k = 160 / imageWidth;
imageHeight = imageHeight * k;
imageWidth = 160;
}
else
{
k = 160 / imageHeight;
imageWidth = imageWidth * k;
imageHeight = 160;
}
document.all["ImgResized"].value = "1";
}
document.all["SendPic"].width = imageWidth;
document.all["SendPic"].height = imageHeight;
document.all["ImgWidth"].value = imageWidth;
document.all["ImgHeight"].value = imageHeight;
}
</script>
補充：
如果有這麼一段代碼:
If(document.all && document.body.readyState=="complete"){
test();
}
那麼就很有意義了, 上面這段代碼是在頁面加載完成後才執行test()函數. 如果沒有這個判斷,頁面一開始加載到這個語句段就執行這個函數.