I want to know how to write strings in a textfile on my machine when I click on a button in my Html page using Javascript... I want an Internet Explorer, Chrome and Firefox compatibility...
Thanks
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1Just imagine what hackers could do if JavaScript had access to your filesystem...gcampbell– gcampbell2016-07-04 18:30:04 +00:00Commented Jul 4, 2016 at 18:30
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stackoverflow.com/questions/16055391/…user_1856538_– user_1856538_2016-07-04 18:33:12 +00:00Commented Jul 4, 2016 at 18:33
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It seems from a comment that you're using ActiveX. Good luck persuading Mozilla and Google to support it.gcampbell– gcampbell2016-07-04 18:36:10 +00:00Commented Jul 4, 2016 at 18:36
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developers.google.com/web/updates/2011/08/…Teemu– Teemu2016-07-04 18:36:54 +00:00Commented Jul 4, 2016 at 18:36
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what you could do, is to create a virtual file with JavaScript, which would be downloadable like any other file on a remote serverwebdeb– webdeb2016-07-04 18:48:51 +00:00Commented Jul 4, 2016 at 18:48
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2 Answers
It's not possible. It would be a major security risk if browsers could write anything on the user's filesystem.
Best you could do is create a text file on your server, and serve it for download.
2 Comments
Thomas Jomphe
if I use that code, it's working, but the file goes directly on the desktop... If I change the filename to C:\test\testfile.txt, nothing happend... var ForReading = 1, ForWriting = 2, ForAppending = 8; var TristateUseDefault = -2, TristateTrue = -1, TristateFalse = 0; var fso = new ActiveXObject("Scripting.FileSystemObject"); var filename = "testfile.txt"; fso.CreateTextFile(filename); var fileObj = fso.GetFile(filename); var ts = fileObj.OpenAsTextStream(ForWriting, TristateUseDefault); ts.WriteLine("Hello World!"); ts.WriteLine("The quick brown fox"); ts.Close();
Carcigenicate
@ThomasJomphe It shouldn't even be possible to write to the client's desktop. That must either be a vulnerability, or the browser realizing it's being served locally. You cannot write directly to a client's drive. The best you can do is make use of
LocalStorage.There ara some questions like yours here in stackoverflow, try some these links
Is it possible to write data to file using only JavaScript?
How to read and write into file using JavaScript
or you can try this gist example
Edit:
The Gist example only works for node.js sorry
1 Comment
vp_arth
Are you read comments of your gist?