wasm_memory.js

//A memory created by JavaScript or in WebAssembly code will be accessible and mutable from both JavaScript and WebAssembly.

const memory = new WebAssembly.Memory({ initial:initial * 2 });

//Instantiating Wasm module

const importObject = { env: { memory, abort: () => console.log("Abort!") }};
const {instance} = await WebAssembly.instantiateStreaming(
    fetch("./build/untouched.wasm"),
    importObject
);

//Creating a typed array reference to write into the memory buffer
const mem = new Uint8Array(memory.buffer);