drop index js code example

Example 1: js remove from array by value

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

Example 2: remove elemtns from an array with splice

var fruits = ["Banana", "Orange", "Apple", "Mango", "Kiwi"];
document.getElementById("demo").innerHTML = fruits;

function myFunction() {
  fruits.splice(2, 2);
  document.getElementById("demo").innerHTML = fruits;
}