The File I/O API > The file I/O API > DWfile.exists() |
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Availability
Dreamweaver 2.0
Description
Tests for the existence of the specified file.
Arguments
fileURL
The argument is the file you are looking for, expressed as a file:// URL.
Returns
true
if the file exists, false
otherwise.
Example
The following code checks for a file called mydata.txt and displays an alert box that tells the user whether the file exists.
var fileURL = "file:///c|/temp/mydata.txt"; if (DWfile.exists(fileURL)){ alert( fileURL + " exists!"); }else{ alert( fileURL + " does not exist."); }
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