docs(manual/wasm): add more example code. (#10250)

1 files changed, 10 insertions, 0 deletions

diff --git a/docs/getting_started/webassembly.md b/docs/getting_started/webassembly.md
index 4aa1f35e4..0285c3b9a 100644
--- a/docs/getting_started/webassembly.md
+++ b/docs/getting_started/webassembly.md
@@ -20,3 +20,13 @@ const wasmInstance = new WebAssembly.Instance(wasmModule);
 const main = wasmInstance.exports.main as CallableFunction
 console.log(main().toString());
 ```
+
+And for files:
+
+```ts
+const wasmCode = await Deno.readFile("main.wasm");
+const wasmModule = new WebAssembly.Module(wasmCode);
+const wasmInstance = new WebAssembly.Instance(wasmModule);
+const main = wasmInstance.exports.main as CallableFunction;
+console.log(main().toString());
+```