JAVASCRIPT Code Function to Insert Elements in Middle of Array

Ingenius Short Javascript JS Code to Insert New Array Elements at Any Point in an Existing Array

This short and sweet Javscript code function allows you to insert new elements at any point in an array in a very simple manner. These new elements can be inserted anywhere in the array you wish, beginning, middle or end.

/* --------------------------------------------- INSERT SOMETHING AT ANY POSITION IN AN ARRAY ---------------------------------------------- */ function arr_insert_at(array, index, ...elementsArray) { array.splice(index, 0, ...elementsArray); return array; }

An example of how to use this function to insert new array elements ...

let arr = ['a','b','f']; function arr_insert_at(array, index, ...elementsArray) { array.splice(index, 0, ...elementsArray); return array; } // insert new elements into array [arr] at index position 2 arr = arr_insert_at(arr, 2, 'c', 'd', 'e'); // our array [arr] now is 'a', 'b', 'c', 'd', 'e', 'f'