how to delete an indexed item from array in javascript code example

Example 1: js remove object from array by value

let originalArray = [
    {name: 'John', age: 23, color: 'red'}, 
    {name: 'Ann', age: 21, color: 'blue'}, 
    {name: 'Mike', age: 13, color: 'green'}
];

let filteredArray = originalArray.filter(value => value.age > 18);

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;
}