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javascript¿çä¯ÀÀÆ÷´´½¨XML¶ÔÏó


var
 
xmlDoc
 
=
 
null
;
function
 
parseXML
(
xmlUrl
)
{
¡¡¡¡try
 
{
¡¡¡¡¡¡¡¡//IE
¡¡¡¡¡¡¡¡xmlDoc
 
=
 
new
 
ActiveXObject
(
"Microsoft.XMLDOM"
);
¡¡¡¡¡¡¡¡xmlDoc
.
async
 
=
 
false
;
¡¡¡¡¡¡¡¡xmlDoc
.
load
(
xmlUrl
);
¡¡¡¡}
catch
(
e
)
¡¡¡¡{
¡¡¡¡¡¡¡¡try
{
¡¡¡¡¡¡¡¡//
Firefox

Mozilla

Opera

etc
.
¡¡¡¡¡¡¡¡xmlDoc
 
=
 
document
.
implementation
.
createDocument
(
""
,
""
,
null
);
¡¡¡¡¡¡¡¡xmlDoc
.
async
 
=
 
false
;
¡¡¡¡¡¡¡¡xmlDoc
.
load
(
xmlUrl
);
¡¡¡¡¡¡¡¡}
catch
(
e
)
¡¡¡¡¡¡¡¡{
¡¡¡¡¡¡¡¡¡¡¡¡try
{
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡//
google
,
Safari
¡¡¡¡¡¡¡¡¡¡¡¡¡¡
var
 
xmlhttp
 
=
 
new
 
window
.
XMLHttpRequest
();
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡xmlhttp
.
open
(
"GET"
,
xmlUrl
,
false
);
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡xmlhttp
.
send
(
null
);
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡xmlDoc
 
=
 
xmlhttp
.
responseXML
.
documentElement
;
¡¡¡¡¡¡¡¡¡¡¡¡}
catch
(
e
){
alert
(
e
.
message
+
"  EROR"
);
return
;}
¡¡¡¡¡¡¡¡}
¡¡¡¡}
}


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[·­Òë]High Performance JavaScript(006)

Identifier Resolution Performance  ±êʶ·ûʶ±ðÐÔÄÜ
    Identifier resolution isn't free, as in fact no computer operation really is without some sort of performance overhead. The deeper into the execution context's scope chain an identifier exists, the slower it is to access for ......

IsolatedStorageFile ±¾µØÊý¾Ý»º´æ xml dataset ¶Áд

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public static void WriteDataToXML(DataSet dataset, string dataname)
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try
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IsolatedStorageFile isoStore = IsolatedStorageFile.GetUserStoreForAssembly(); / ......
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