xesite/static/blog/tos_2/wasm_exec.html

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HTML

<!doctype html>
<!--
Copyright 2018 The Go Authors. All rights reserved.
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file.
-->
<html>
<head>
<meta charset="utf-8">
<title>The voice of god</title>
</head>
<body>
<!--
Add the following polyfill for Microsoft Edge 17/18 support:
<script src="https://cdn.jsdelivr.net/npm/text-encoding@0.7.0/lib/encoding.min.js"></script>
(see https://caniuse.com/#feat=textencoder)
-->
<link rel="stylesheet" href="https://unpkg.com/xterm/dist/xterm.css" />
<script src="https://unpkg.com/xterm/dist/xterm.js"></script>
<h1>The voice of <code>god</code></h1>
<script src="wasm_exec.js"></script>
<script>
if (!WebAssembly.instantiateStreaming) { // polyfill
WebAssembly.instantiateStreaming = async (resp, importObject) => {
const source = await (await resp).arrayBuffer();
return await WebAssembly.instantiate(source, importObject);
};
}
const go = new Go();
let mod, inst;
WebAssembly.instantiateStreaming(fetch("god.wasm"), go.importObject).then((result) => {
mod = result.module;
inst = result.instance;
document.getElementById("runButton").disabled = false;
}).catch((err) => {
console.error(err);
});
async function run() {
await go.run(inst);
inst = await WebAssembly.instantiate(mod, go.importObject); // reset instance
}
</script>
<button onClick="run();" id="runButton" disabled>Run</button>
<div id="terminal"></div>
</body>
</html>