IMO spoilers shouldn't be done that way - it's just as easy to hide them with font-color tags, and it works better, without relying on the user having scripts available. (NoScript isn't the only scenario where they won't work; most text-mode browsers are another example. I don't come here in those often, but it has been known to happen.)
I have a mildly extended rant or three about using scripts to do things which could be achieved without them, and how and why that's almost always a bad idea, but it probably wouldn't be very persuasive and certainly would be offtopic.
I have a mildly extended rant or three about using scripts to do things which could be achieved without them, and how and why that's almost always a bad idea, but it probably wouldn't be very persuasive and certainly would be offtopic.