how to delete a specific index from an array in javascript code example

Example 1: js remove from array by value

const index = array.indexOf(item);
if (index !== -1) array.splice(index, 1);

Example 2: delete item from list javascript

const array = [1, 2, 3];
const index = array.indexOf(2);
if (index > -1) {
  array.splice(index, 1);
}