• Install Emscripten SDK

  Download Emscripten SDK Offline Installer and install it. For more information about installation process refer https://kripken.github.io/emscripten-site/docs/getting_started/index.html

• Check Emscripten installation

  Click on Windows -> Search and search for Emscripten Command Prompt. Check Emscripten version.

emcc -v

emcc is transcompiler to compile C/C++ code to javascript code.

• Create C/C++ test file

mkdir asmdemo
cd asmdemo
copy NUL hello-world.c (create hello-world.c)

Copy following content into newly created hello-world.c

#include<stdio.h>
int main() {
  printf("hello, world!\n");
  return 0;
}

• Compile C/C++ code using emcc

emcc hello-world.c

it will create file name a.out.js

• Run

node a.out.js

• ASM.js in Browser

• We want HTML so that we can view it in the browser. Enter this command to specify and HTML document.

emcc hello-world.c -o hello.html

• Open hello.html that with your browser, and you can see it as a web page.