Answers for "filter by key in js"

array filter use key

$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed  = ['foo', 'bar'];
$filtered = array_filter(
    $my_array,
    function ($key) use ($allowed) {
        return in_array($key, $allowed);
    },
    ARRAY_FILTER_USE_KEY
);

js object filter by keys

const obj = { firstName: 'Jean-Luc', lastName: 'Picard', age: 59 };

// { firstName: 'Jean-Luc', lastName: 'Picard' }
Object.fromEntries(Object.entries(obj).filter(([key]) => key.includes('Name')));