[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [IWebAssemblyMemoryMemory](./rc-js-util.iwebassemblymemorymemory.md) > [grow](./rc-js-util.iwebassemblymemorymemory.grow.md) ## IWebAssemblyMemoryMemory.grow() method **Signature:** ```typescript grow(delta: number): number; ``` ## Parameters

Parameter	Type	Description
delta	number

**Returns:** number