I’ve seen this solution How can I run an Unreal Engine project in a web browser? - Platforms / HTML5 Development - Unreal Engine Forums but it’s not working for me to use third party that is mentioned (Furioos). Is there any way to export Unreal Engine project and use it in JavaScript Libraries such as React? Is the only way to export project to html5 with Unreal Engine 4.23?
Yes, HTML is no longer a supported development target, although there is “some” community support.
That being said – you should not expect to “script” the engine as a “library” – it’s possible to compile to wasm as a target (at least for earlier versions) and load that into a web page, but pretty much the entire experience is developed inside the Unreal editor.
If you want a “3d engine for javascript” where you do substantial code running in the JS to control the rendering and simulation, you’ll probably be better off using some JS-specific library.
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