i would like to merge array a in array b on index 2.
let a = [1,2,7,8,9,10]; let b = [3,4,5,6];
How should i write my code?
Tia
i would like to merge array a in array b on index 2.
let a = [1,2,7,8,9,10]; let b = [3,4,5,6];
How should i write my code?
Tia
Use the splice method.
let a = [1,2,7,8,9,10];
let b = [3,4,5,6];
b.splice(2, 0, ...a);
console.log(b);