what's the difference between EvenSheet and JS？

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- nicholasruki
- - Joined 7 Feb, 2015
  - 9 topics • 19 posts
- 1
- 25 Feb, 2026
- Quote
I'm not a professional programmer, but I'm very interested in game development. I've studied Construct 3 extensively and even tried making my own games. However, I've encountered a problem. The code I wrote using event tables in Construct 3 and the code I wrote using JavaScript in AI produce the same result. So, my question is: what's the difference between these two methods?
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- Zizaco
- - Joined 24 Nov, 2011
  - 2 topics • 48 posts
- 1
- 25 Feb, 2026
- Quote
The difference:
- EventSheets are more accessible for non-developers.
- EventSheets state is integrated with the "Save & Load" actions (if you use JS, you need to handle state yourself).
- EventSheets are mostly type-safe, which helps prevent type-related bugs. (If you use TS instead of JS, you'll also get type safety.)
- EventSheets are not so practical and can get quite verbose for more complex logic. (compared to JS/TS)
- EventSheets are more difficult to copy & paste and share. Because of how its type safety works, it can block you from pasting in certain situations.
- Currently, EventSheets are not well understood by AI. The level of AI assistance you'll get is more limited.
It's worth highlighting that you can use both at the same time: simple logic in EventSheets and JS/TS for more complex or intricate logic.

You can call EventSheets from JS/TS using runtime.callFunction(name, ...params)

and you can also interact with your JS/TS from EventSheets via scripts in actions and importsForEvents