let arrForSplice = [1,2,3,7]
let deletedItems = arrForSplice.splice(3,0,[3,4]);
console.log(arrForSplice)
why it work this way?
let arrForSplice = [1,2,3,7]
let deletedItems = arrForSplice.splice(3,0,[3,4]);
console.log(arrForSplice)
why it work this way?