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Code to use fso to determine whether a file exists under JavaScript_javascript skills

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Release： 2016-05-16 18:14:00

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Copy code The code is as follows:

 
function ReportFileStatus(filespec) 
{ 
var fso, s = filespec; 
fso = new ActiveXObject("Scripting.FileSystemObject"); 
if (fso.FileExists(filespec)) 
s = " exists."; 
else 
s = " doesn't exist."; 
return(s); 
} 

Using the client's FileSystemObject object
Example:

Copy code The code is as follows:

 
function check() 
{ 
var fso; 
fso = new ActiveXObject(" Scripting.FileSystemObject"); 
if( fso.FileExists("c:\testfile.txt")) 
{ 
alert("Exists!"); 
} 
else 
{ 
alert("not Exists!"); 
} 
}　 

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source：php.cn

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