CODE EXAMPLE FOR JAVASCRIPT

splice

//Example 1:

//Remove 1 element at index 3
let myFish = ['angel', 'clown', 'drum', 'mandarin', 'sturgeon']
let removed = myFish.splice(3, 1)

//Result
// myFish is ["angel", "clown", "drum", "sturgeon"]
// removed is ["mandarin"]

//Example 2:

//Remove 1 element at index 2, and insert "trumpet"
let myFish = ['angel', 'clown', 'drum', 'sturgeon']
let removed = myFish.splice(2, 1, 'trumpet')

//Result
// myFish is ["angel", "clown", "trumpet", "sturgeon"]
// removed is ["drum"]