best way to remove element from array javascript in loop 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: delete from array based on value javascript

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