查找对象和数组中的嵌套值之间的匹配

function findNestedValue(arr, target) {
  let result = [];
  
  for (let i = 0; i < arr.length; i++) {
    if (Array.isArray(arr[i])) {
      result = result.concat(findNestedValue(arr[i], target));
    } else if (arr[i] === target) {
      result.push(arr[i]);
    }
  }
  
  return result;
}

const nestedArray = [1, [2, [3, 4]], [5, 6], 7];
const targetValue = 4;
const matchedValues = findNestedValue(nestedArray, targetValue);

console.log(matchedValues); // Output: [4]

function findNestedValue(obj, target) {
  let result = [];
  
  for (let key in obj) {
    if (typeof obj[key] === 'object') {
      result = result.concat(findNestedValue(obj[key], target));
    } else if (obj[key] === target) {
      result.push(obj[key]);
    }
  }
  
  return result;
}

const nestedObject = {
  a: 1,
  b: {
    c: 2,
    d: {
      e: 3,
      f: 4
    }
  },
  g: [5, 6],
  h: 7
};

const targetValue = 4;
const matchedValues = findNestedValue(nestedObject, targetValue);

console.log(matchedValues); // Output: [4]