removeAdjacentAt(
       startingIndex,
       howMany,
       array
): void

Beginning at startingIndex, it removes howMany adjacent items from array.
startingIndex can be negative or positive.

Examples

let arr = [10,20,30,40,50,60,70,80,90];  
removeAdjacentAt(-4, 2, arr);  
// arr is now  [10,20,30,40,50,80,90]

let arr = [10,20,30,40,50,60,70,80,90];  
removeAdjacentAt(2, 4, arr);  
// arr is now  [10,20,70,80,90]

Installation

npm i @writetome51/array-remove-adjacent-at

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import {removeAdjacentAt} from '@writetome51/array-remove-adjacent-at';