JAVASCRIPT

adding javascript object within array in the middle position

Array.splice(
  {index where to start},
  {how many items to remove},
  {items to add}
);

adding javascript object within array in the middle position

console.log(car);
// output:
// {
//   color: 'red',
//   type: 'station wagon',
//   registration: 'Sat Mar 03 2018 01:00:00 GMT+0100 (GMT+01:00)',
//   capacity: 5
// }