Daily JavaScript Challenge #JS-101: Find the Maximum Depth of a Nested Array

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Daily JavaScript Challenge: Find the Maximum Depth of a Nested Array

Hey fellow developers! 👋 Welcome to today's JavaScript coding challenge. Let's keep those programming skills sharp!

The Challenge

Difficulty: Medium

Topic: Recursion

Description

Develop a function to find the maximum depth of nested arrays. The function will receive an array as its input, which can contain other arrays to any depth, and it should return the maximum depth integer.

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https://www.dpcdev.com/

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Write your solution
Test it against the provided test cases
Share your approach in the comments below!

Want to Learn More?

Check out the documentation about this topic here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array

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Top comments (1)

Annabelle Ng • Feb 13

Wow, that really took me some time 😂 Thank you for the question 🩷

const arrays = [1, [2, 3], [4, [5, [6, 7, [8]]]]]

function findMaxDepth (arr) {
  let countSet = [0];
  let count = 0
  countChildrenDepth(arr, count);
  return Math.max(...countSet);

  function countChildrenDepth (arr, count) {
    if (Array.isArray(arr)) {
      count++;
      countSet.push(count)
      console.log("arr", arr, "count", count, "countSet", countSet)
      arr.map ((item) => {
        countChildrenDepth(item, count);
      });
     }
  }
}

console.log("find max depth of nested arrays", findMaxDepth(arrays))