如何获取对象的数组而不是数组的数组

const arr = [1, [2, 3], { name: 'John' }, [4, 5]];

const objectArray = [];
for (let i = 0; i < arr.length; i++) {
  if (typeof arr[i] === 'object' && !Array.isArray(arr[i])) {
    objectArray.push(arr[i]);
  }
}

console.log(objectArray);

const arr = [1, [2, 3], { name: 'John' }, [4, { age: 25 }]];

function getObjectArray(arr) {
  const objectArray = [];
  for (let i = 0; i < arr.length; i++) {
    if (typeof arr[i] === 'object' && !Array.isArray(arr[i])) {
      objectArray.push(arr[i]);
    } else if (Array.isArray(arr[i])) {
      objectArray.push(...getObjectArray(arr[i]));
    }
  }
  return objectArray;
}

console.log(getObjectArray(arr));

const arr = [1, [2, 3], { name: 'John' }, [4, { age: 25 }]];

const objectArray = arr.flat().filter(item => typeof item === 'object' && !Array.isArray(item));

console.log(objectArray);