You can program in wasm's text format (the actual assembly language) directly, if you want, and you can program in anything that compiles to wasm. C/C++ have the most developed toolchains for higher (than wasm itself) level languages, for now, but that should open up.
You can program in wasm's text format (the actual assembly language) directly, if you want, and you can program in anything that compiles to wasm. C/C++ have the most developed toolchains for higher (than wasm itself) level languages, for now, but that should open up.