remove a obect from array code example

Example 1: 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);

Example 2: java script removing first three indexes

var indexToRemove = 0;
var numberToRemove = 1;

arr.splice(indexToRemove, numberToRemove);