无法使用AppleScript运行javascript函数

Question

I'm trying control video functions of a website by using applescript. The website has a flash video - jwplayer. In Google Chrome, I'm able to pause the video if I type in the command

jwplayer('player_embed').pause();

However, if I send in the command through AppleScript, it fails to work.

The console error message I get is as follows

And clicking VM4054:2 gives me this

Answer 1

Is it an option to use Safari? This works...

tell application "Safari"
    repeat with t in tabs of windows
        tell t
            if URL starts with "https://www.jwp" then
                do JavaScript "jwplayer().pause();"
            end if
        end tell
    end repeat
end tell