dduan · December 29, 2017 04:13 · A1rPun · May 11, 2021 · komodoooo · Mar 1, 2022
diff --git a/main.wat b/main.wat
 (module
  (memory (export "memory") 1)
  (data (i32.const 0) "Hello, world!")
  (global (export "length") i32 (i32.const 12))
  (global (export "position") i32 (i32.const 0)))
diff --git a/Makefile b/Makefile
 compile:
 	wat2wasm main.wat -o main.wasm

 serve:
 	python -m SimpleHTTPServer
diff --git a/play.html b/play.html
 <!DOCTYPE html>
 <html lang="en">
 <head>
    <meta charset="UTF-8">
    <title></title>
 </head>
 <body>
    <script src="play.js"></script>
 </body>
 </html>
diff --git a/play.js b/play.js
 function main(wasm) {
    const memory   = wasm.exports.memory;
    const length   = wasm.exports.length;
    const position = wasm.exports.position;

    const bytes = new Uint8Array(memory.buffer, position, length);
    const s = new TextDecoder('utf8').decode(bytes);

    console.log(s);
 }

 fetch("main.wasm").then(reponse =>
    reponse.arrayBuffer()
 ).then(bytes =>
    WebAssembly.instantiate(bytes, {})
 ).then(result =>
    result.instance
 ).then(main);
	(module
	(memory (export "memory") 1)
	(data (i32.const 0) "Hello, world!")
	(global (export "length") i32 (i32.const 12))
	(global (export "position") i32 (i32.const 0)))
	function main(wasm) {
	const memory = wasm.exports.memory;
	const length = wasm.exports.length;
	const position = wasm.exports.position;

	const bytes = new Uint8Array(memory.buffer, position, length);
	const s = new TextDecoder('utf8').decode(bytes);

	console.log(s);
	}

	fetch("main.wasm").then(reponse =>
	reponse.arrayBuffer()
	).then(bytes =>
	WebAssembly.instantiate(bytes, {})
	).then(result =>
	result.instance
	).then(main);