how to remove array from objects in javascript code example

Example 1: How can I remove a specific item from an 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: how to delete object in array

let array = [1,2,3];
let item = array.indexOf(2)
let deleteCount = 1;
array.splice(item, deleteCount)