How do I remove a child or children in structure variables without JS?

I’m making Tetris without JavaScript codes as possible as I can.
But I’m stuck in dynamically managing structure variable without JS.
Is it possible to remove a child or children without JS?
So after removing a child, the result of VariableChildCount must be different.


https://www.youtube.com/watch?v=CfjqiZ-KBog

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A Tetris !!! WOW, I tried it but I Wasn’t able.

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I’m pretty sure there is an extension for that purpose :wink:

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It’s not difficult to code it now :grinning: I just wanted to see the official way.

I added a demonstration link. I’ll share all the codes after finishing :wink:

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Wow, Thanks a lot !!