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- <!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>Go wasm</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)
- -->
- <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("test.wasm"), go.importObject).then((result) => {
- mod = result.module;
- inst = result.instance;
- document.getElementById("runButton").disabled = false;
- }).catch((err) => {
- console.error(err);
- });
- async function run() {
- console.clear();
- await go.run(inst);
- inst = await WebAssembly.instantiate(mod, go.importObject); // reset instance
- }
- </script>
- <button onClick="run();" id="runButton" disabled>Run</button>
- </body>
- </html>
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