Answers for "array remover specific position"

javascript remove from array by index

//Remove specific value by index
array.splice(index, 1);

pop up element from specific index in array

let items = ['a', 'b', 'c', 'd'];
let index = items.indexOf('a')
let numberOfElementToRemove = 1;
if (index !== -1) { items.splice(index,numberOfElementToRemove)}