How to put hidden 'spoiler' text in a post

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Im doing some education material on a nodebb forum, where want the answer hidden until its clicked. I think its possible in HTML, as saw spolier somewhere before?

So to have something like
Why did the chicken cross the road
Answer
When Answer is clicked it changes to
To get to the other side

How to enter this?

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[OP]

Thanks @baris , could this be added to ACP extend so I can install without needing server access?

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Now that it's upgraded it should show up in the admin page.

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[OP]

Is the word Spoiler hardcoded?
How to change if I want it to say Answer, for example?

Also if my spoiler has 2 lines how to put page break in
E.g.
>! Line1 Line2

To come out
Line1
Line2

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https://github.com/NodeBB-Community/nodebb-plugin-spoilers

I will update it for 4.x but it should still work if you install from the CLI

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Not sure why it doesn't trigger for fediverse posts. At the very least it should have turned into a blockquote. @julian will have to take a look at the fedi issue.

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edited

@eeeee Mastodon posts are interpreted as-is, so that symbol combination is meaningless for Mastodon, and that is reflected in NodeBB

Will have to test between NodeBB

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[OP] edited

@julian yes I never expected it so function on Mastodon, of course not.
but when putting that symbol combination into Mastodon post, and sending it to nodebb you would think it would trigger nodebb side.
Actally its hard to understand how it doesnt activate spoiler on nodebb side, given its the same 2 characters.
Im more perplexed, than bothered, that it doesnt!

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@eeeee when Mastodon posts enter NodeBB we save the html in the database as-is (and sanitize it on output).

This is different from NodeBB internally which saves markdown into the database.

The spoiler plugin might not be matching the symbols because from remote communities the line begins with <p>&gt;! spoiler instead of just with &gt;! itself.</p>

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[OP] edited

In Federated messages, the !> doesnt work even between nodebb instances that have the plugin.
Not a big issue but its actually interesting that it doesnt work.
For example here a mastodon site sends that code in a post to a nobebb site that has spoilers installed,
when it displays the post why isnt the Functionality triggered?
1000050044.jpg

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Published 1.0.1 which is compatible with 4.x and 3.x

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