remove and add new object to array javascript 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: remove object from array javascript

someArray.splice(x, 1);