Checking an applications dictionary for a command
Checking an applications dictionary for a command
- Subject: Checking an applications dictionary for a command
- From: David Siberry <email@hidden>
- Date: Mon, 20 Jun 2005 16:27:51 +0100
Hi,
I am trying to write an apple script to check to see if a web browser
supports JavaScript. Its part of a browser detection application i am
writing.
The approach I am taking is this:
I want to use a try statement because depending on what your default
browser is depends which command you use. E.g. if your web browser is
Safari then the function call is "do JavaScript", if its Internet
Explorer then its "do script".
However, I want to create one script which will check the dictionary
of the multiple browsers if installed on your machine and try and call
"do script" if the try fails return false then call "do JavaScript".
If the command is found then return true.
For the "tell application "Safari" for example, the name of the
browser will be dynamic and passed in as a parameter from my C
program. This way I can keep the script generic and reusable.
However I am finding that when I compile if the "do script" or "do
JavaScript" is not in the given applications dictionary, then the
script will not compile.
The script I have written is:
tell application "Safari"
try
do script "window.name" (* simple dummy script to test with*)
if (do script) then
return true
else
return false
end if
end try
try
do JavaScript "window.name" (* simple dummy script to test with*)
if (do JavaScript) then
return true
else
return false
end if
end try
end tell
Cheers
David
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