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WebAssembly.Memory

The WebAssembly.Memory object is a resizable ArrayBuffer or SharedArrayBuffer that holds the raw bytes of memory accessed by a WebAssembly Instance.

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

MDN

class Memory {

constructor(descriptor: MemoryDescriptor);

readonly buffer: ArrayBuffer | SharedArrayBuffer;

grow(delta: number): number;

}

Constructors

new Memory(descriptor: MemoryDescriptor)

Creates a new Memory object.

Properties

buffer: ArrayBuffer | SharedArrayBuffer

An accessor property that returns the buffer contained in the memory.

Methods

grow(delta: number): number

Increases the size of the memory instance by a specified number of WebAssembly pages (each one is 64KB in size).