pull javascript code example

Example 1: remove element from javascript array

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);

Example 2: método pop javascript

const cars = ['Porsche', 'Ferrari', 'Mustang', 'Rolls Royce', 'Lamborghini'];

console.log(cars.pop());
// expected output: 'Lamborghini'

console.log(cars);
// expected output: Array ['Porsche', 'Ferrari', 'Mustang', 'Rolls Royce']

Example 3: delete from array javascript

var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0];var removed = arr.splice(2,2);/*removed === [3, 4]arr === [1, 2, 5, 6, 7, 8, 9, 0]*/