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Compile to JavaScript

$ nim c prg.nim

𝥶Here we use the C backend. The code is compiled to C first, and then that C code is compiled by GCC (or Clang, etc.).

However, Nim also has a JavaScript backend. You can compile your code to JavaScript. However, if you use the JS backend, then you can use just a subset of the standard library. More info here.

$ nim js prg.nim             # debug version

$ nim js -d:release prg.nim  # release version

𝥶If you build something for the browser.

$ nim js -d:nodejs prg.nim             # debug version

$ nim js -d:nodejs -d:release prg.nim  # release version

𝥶If you want to execute the resulting JavaScript program with node.js:

$ node prg.js