用 document.readyState == "complete" 判断页面是否加载完成
2009-07-30 19:02
791 查看
传回XML 文件资料的目前状况。
基本语法
intState = xmlDocument.readyState;
说 明
这个属性是只读的,传回值有以下的可能:
0-UNINITIALIZED:XML 对象被产生,但没有任何文件被加载。
1-LOADING:加载程序进行中,但文件尚未开始解析。
2-LOADED:部分的文件已经加载且进行解析,但对象模型尚未生效。
3-INTERACTIVE:仅对已加载的部分文件有效,在此情况下,对象模型是有效但只读的。
4-COMPLETED:文件已完全加载,代表加载成功。
范 例
alert("The readyState property is " + xmlDoc.readyState);
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
<script language="javascript">
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
if (document.readyState=="complete")
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/34031c708bfe702fe82d01ff5c6593aa.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/0be121fa5b8988fbabbbc526af3b0fc0.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
AdjustImageSize();
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030189/4fd96b3cf02f4c7b5c8964ac8167f7af.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
else
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/34031c708bfe702fe82d01ff5c6593aa.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/0be121fa5b8988fbabbbc526af3b0fc0.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.onreadystatechange = function()
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/3112b7b6526db5bc83e275260ae60525.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/f2671b7f42ce505d9bf55a7a0ca257fb.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
if (document.readyState == "complete")
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/3112b7b6526db5bc83e275260ae60525.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/f2671b7f42ce505d9bf55a7a0ca257fb.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
AdjustImageSize();
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030175/eec4c0236afc26744c9c4e910bc34958.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030175/eec4c0236afc26744c9c4e910bc34958.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030189/4fd96b3cf02f4c7b5c8964ac8167f7af.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
function AdjustImageSize()
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/34031c708bfe702fe82d01ff5c6593aa.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/0be121fa5b8988fbabbbc526af3b0fc0.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
var imageWidth = document.all["SendPic"].width;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
var imageHeight = document.all["SendPic"].height;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
if (imageWidth == 0 && imageHeight == 0)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/3112b7b6526db5bc83e275260ae60525.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/f2671b7f42ce505d9bf55a7a0ca257fb.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.write ("图片下载失败,请刷新!");
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
return;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030175/eec4c0236afc26744c9c4e910bc34958.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
if (imageWidth > 160 || imageHeight > 160)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/3112b7b6526db5bc83e275260ae60525.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/f2671b7f42ce505d9bf55a7a0ca257fb.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
if (imageWidth > imageHeight)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/3112b7b6526db5bc83e275260ae60525.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/f2671b7f42ce505d9bf55a7a0ca257fb.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
k = 160 / imageWidth;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
imageHeight = imageHeight * k;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
imageWidth = 160;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030175/eec4c0236afc26744c9c4e910bc34958.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
else
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/3112b7b6526db5bc83e275260ae60525.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/f2671b7f42ce505d9bf55a7a0ca257fb.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
k = 160 / imageHeight;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
imageWidth = imageWidth * k;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
imageHeight = 160;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030175/eec4c0236afc26744c9c4e910bc34958.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.all["ImgResized"].value = "1";
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030175/eec4c0236afc26744c9c4e910bc34958.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.all["SendPic"].width = imageWidth;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.all["SendPic"].height = imageHeight;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.all["ImgWidth"].value = imageWidth;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.all["ImgHeight"].value = imageHeight;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030189/4fd96b3cf02f4c7b5c8964ac8167f7af.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
</script>
基本语法
intState = xmlDocument.readyState;
说 明
这个属性是只读的,传回值有以下的可能:
0-UNINITIALIZED:XML 对象被产生,但没有任何文件被加载。
1-LOADING:加载程序进行中,但文件尚未开始解析。
2-LOADED:部分的文件已经加载且进行解析,但对象模型尚未生效。
3-INTERACTIVE:仅对已加载的部分文件有效,在此情况下,对象模型是有效但只读的。
4-COMPLETED:文件已完全加载,代表加载成功。
范 例
alert("The readyState property is " + xmlDoc.readyState);
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
<script language="javascript">
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
if (document.readyState=="complete")
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/34031c708bfe702fe82d01ff5c6593aa.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/0be121fa5b8988fbabbbc526af3b0fc0.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
AdjustImageSize();
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030189/4fd96b3cf02f4c7b5c8964ac8167f7af.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
else
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/34031c708bfe702fe82d01ff5c6593aa.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/0be121fa5b8988fbabbbc526af3b0fc0.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.onreadystatechange = function()
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/3112b7b6526db5bc83e275260ae60525.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/f2671b7f42ce505d9bf55a7a0ca257fb.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
if (document.readyState == "complete")
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/3112b7b6526db5bc83e275260ae60525.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/f2671b7f42ce505d9bf55a7a0ca257fb.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
AdjustImageSize();
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030175/eec4c0236afc26744c9c4e910bc34958.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030175/eec4c0236afc26744c9c4e910bc34958.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030189/4fd96b3cf02f4c7b5c8964ac8167f7af.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
function AdjustImageSize()
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/34031c708bfe702fe82d01ff5c6593aa.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/0be121fa5b8988fbabbbc526af3b0fc0.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
var imageWidth = document.all["SendPic"].width;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
var imageHeight = document.all["SendPic"].height;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
if (imageWidth == 0 && imageHeight == 0)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/3112b7b6526db5bc83e275260ae60525.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/f2671b7f42ce505d9bf55a7a0ca257fb.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.write ("图片下载失败,请刷新!");
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
return;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030175/eec4c0236afc26744c9c4e910bc34958.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
if (imageWidth > 160 || imageHeight > 160)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/3112b7b6526db5bc83e275260ae60525.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/f2671b7f42ce505d9bf55a7a0ca257fb.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
if (imageWidth > imageHeight)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/3112b7b6526db5bc83e275260ae60525.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/f2671b7f42ce505d9bf55a7a0ca257fb.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
k = 160 / imageWidth;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
imageHeight = imageHeight * k;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
imageWidth = 160;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030175/eec4c0236afc26744c9c4e910bc34958.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
else
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/3112b7b6526db5bc83e275260ae60525.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030173/f2671b7f42ce505d9bf55a7a0ca257fb.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/b854634c0904529d4018c4c3336be836.gif)
{
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
k = 160 / imageHeight;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
imageWidth = imageWidth * k;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
imageHeight = 160;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030175/eec4c0236afc26744c9c4e910bc34958.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.all["ImgResized"].value = "1";
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030175/eec4c0236afc26744c9c4e910bc34958.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.all["SendPic"].width = imageWidth;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.all["SendPic"].height = imageHeight;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.all["ImgWidth"].value = imageWidth;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030194/587e34b10dcf5efbc0859b53470a2db3.gif)
document.all["ImgHeight"].value = imageHeight;
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030189/4fd96b3cf02f4c7b5c8964ac8167f7af.gif)
}
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
</script>
![](https://oscdn.geek-share.com/Uploads/Images/Content/2015/2015030171/f0cd6c7f9e7ae96feae062cb48f670f0.gif)
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