remove item form array by index in javascript code example

Example 1: array remove index from array

const array = [2, 5, 9];

//Get index of the number 5
const index = array.indexOf(5);
//Only splice if the index exists
if (index > -1) {
  //Splice the array
  array.splice(index, 1);
}

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

Example 2: js remove item array

let originalArray = [1, 2, 3, 4, 5];

let filteredArray = originalArray.filter((value, index) => index !== 2);