const fs = require('fs'); const wasm = fs.readFileSync('out.wasm'); async function run() { for (let i = 0; i < 1000; i++) { const instance = await WebAssembly.instantiate(wasm); const view = new Uint8Array(instance.instance.exports.memory.buffer); for (let j = 0; j < 10; j++) { view[j] = 10 + j; } debugger; console.log(instance.instance.exports.copy(1, 6, 4)); } } run();