let h = [
{
name: 'Petya',
age: 25,
id: 1
},
{
name: 'Vasya',
age: 23,
id: 2
},
{
name: 'Kolya',
age: null,
id: 3
},
{
name: 'Sveta',
age: null,
id: 1
}
];