The File I/O API > The file I/O API > DWfile.exists() |
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.");
}