diff --git a/examples/wasm/demo.sh b/examples/wasm/demo.sh
new file mode 100644
--- /dev/null
+++ b/examples/wasm/demo.sh
@@ -0,0 +1,3 @@
+emcc -O3 hello.c -o hello.cjs
+ant hello.cjs
+rm hello.cjs hello.wasm
\ No newline at end of file
diff --git a/examples/wasm/hello.c b/examples/wasm/hello.c
new file mode 100644
--- /dev/null
+++ b/examples/wasm/hello.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main() {
+  printf("hello, world!\n");
+  return 0;
+}
\ No newline at end of file