[Home](./index.md) > [@apextoaster/js-utils](./js-utils.md) > [mergeArrays](./js-utils.mergearrays.md) ## mergeArrays() function > Warning: This API is now obsolete. > > Signature: ```typescript export declare function mergeArrays(...parts: Array>): Array; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | parts | Array<TItem \| Array<TItem>> | | Returns: Array<TItem>