find and delete element from array js

var array = [1, 2, 3, 4];
var evens = _.remove(array, function(n) {
  return n % 2 === 0;
});
console.log(array);
// => [1, 3]
console.log(evens);
// => [2, 4]const items = ['a', 'b', 'c', 'd', 'e', 'f']
const i = 2
const filteredItems = items.slice(0, i).concat(items.slice(i + 1, items.length))
// ["a", "b", "d", "e", "f"]
const array = [2, 5, 9];

console.log(array);

const index = array.indexOf(5);
if (index > -1) {
  array.splice(index, 1);
}

// array = [2, 9]
console.log(array);