[Lazarus] Running FPC in the browser...
Michael Van Canneyt
michael at freepascal.org
Sun Oct 22 12:20:47 CEST 2023
Thanks to the efforts of Nikolay Nikolov, the FPC compiler can now recompile
itself to webassembly (the support for the goto statement made this possible).
As a consequence, this means FPC can now be run in a browser.
See the screenshot at
There are still some steps to do before FPC will actually compile and link a
program, but this is in the works as well.
If you think this is just a cute geeky achievement, it is not.
Think about the possibilities: being able to work without the need for an
installation. Just go to a webpage and start developing as you would on your
For teaching programming, a teacher does not need to provide anything except a
browser and still have all the possibilities he would have when using a
No heavy server infrastructure is needed, everything happens in the browser.
No doubt, other possibilities will come to mind.
Stay tuned for more goodies from the FPC team :-)
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