how to remove an array from an object 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 item from array by id

var myArr = [{id:'a'},{id:'myid'},{id:'c'}];
var index = arr.findIndex(function(o){
     return o.id === 'myid';
})
if (index !== -1) myArr.splice(index, 1);