ReadonlybufferThe read-only buffer prototype property of the WebAssembly.Memory object returns the buffer contained in the memory. Depending on whether or not the memory was constructed with shared: true, the buffer is either an ArrayBuffer or a SharedArrayBuffer.
The
WebAssembly.Memoryobject is a resizable ArrayBuffer or SharedArrayBuffer that holds raw bytes of memory accessed by a WebAssembly.Instance.MDN Reference