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When I try to open window.open('file///C:\calendar.html') it throws

Access Denied error

How do I fix this? Thanks

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  • 2
    What is the context? Where is this Javascript code located?
    – Pointy
    Commented Nov 22, 2010 at 15:22
  • Are you going to accept one of the answers below? :D *jumps*
    – Victor Zamanian
    Commented Dec 22, 2010 at 13:30

2 Answers 2

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Usually you'll won't be allowed to open files from the client's filesystem as this would pose a huge security hole. No browsers would allow it.

You could use signed scripts to do that. For a detailed description check: http://www.mozilla.org/projects/security/components/signed-scripts.html This is of course browser specific.

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    Why is it a security hole? The browser is trying to open a program in your local PC. I dont get it.
    – karlihnos
    Commented Jan 10, 2017 at 9:34
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    Because any attacker could write javascript that runs on the victim's computer, reads confidential files and sends the content to the attacker.
    – Ioan Alexandru Cucu
    Commented Jan 10, 2017 at 10:03
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Could it be that the colon is missing?

'file:///C:\calendar.html'

Edit: Might also need to do only two forward slashes, and escape the backslash: 'file://C:\\calendar.html'. Not sure you can open local files via JavaScript though, like the other answer says.

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