(module

  (memory $memory 1)
  (export "memory" (memory $memory))

  (func (export "store_in_mem") (param $num i32)
    i32.const 0
    local.get $num

    ;; store $num at position 0
    i32.store
  )

)

const url = '{%wasm-url%}';
const result = await WebAssembly.instantiateStreaming(fetch(url));

const store_in_mem = result.instance.exports.store_in_mem;
const memory = result.instance.exports.memory;

store_in_mem(100);

const dataView = new DataView(memory.buffer);
const first_number_in_mem = dataView.getUint32(0, true);

console.log(first_number_in_mem);
// Expected output: 100