1. How to minimize, Maximize, close windows
Answer: <objectid=hh1classid= "Clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" >
<paramname= "command" value= "Minimize" ></object>
<objectid=hh2classid= "Clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" >
<paramname= "command" value= "Maximize" ></object>
<objectid=hh3classid= "Clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" >
<paramname= "command" value= "Close" ></object>
<inputtype=buttonvalue= minimized Onclick=hh1.click () >
<inputtype=buttonvalue= Max Onclick=hh2.click () >
<inputtype=buttonvalue= close Onclick=hh3.click () >
2. How to Still page cache
Answer: HTM Web page
<metahttp-equiv= "Pragma" content= "No-cache" >
<metahttp-equiv= "Cache-control" content= "No-cache,must-revalidate" >
<metahttp-equiv= "Expires" content= "WED,26FEB199708:21:57GMT" >
or <metahttp-equiv= "expires" content= "0" >
ASP Web page
Response.expires=-1
Response.expiresabsolute=now ()-1
Response.cachecontrol= "No-cache"
PHP Web page
Header ("Expires:mon,26jul199705:00:00gmt");
Header ("Cache-control:no-cache,must-revalidate");
Header ("Pragma:no-cache");
3. How to check whether a string of strings are all made up of numbers
<scriptlanguage= "JavaScript" ><!--
Functionchecknum (str) {returnstr.match (/d/) ==null}
Alert (Checknum ("1232142141"))
Alert (Checknum ("123214214A1"))
--></script>
4. How to obtain machine information
Answer this machine ip<%=request.servervariables ("REMOTE_ADDR")%>
Server name <%=request.servervariables ("SERVER_NAME")%>
Server Ip<%=request.servervariables ("local_addr")%>
Server Port <%=request.servervariables ("Server_port")%>
