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Gilbert Joseph Smith III

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Details

• Difficulty: 1/5

Write a function that splits an array (first argument) into groups the length of size (second argument) and returns them as a multidimensional array.

Remember to use Read-Search-Ask if you get stuck. Try to pair program. Write your own code.

Useful Links

• Array.push()

Problem Script:

function chunk(arr, size) {
  // Break it up.
  return arr;
}

chunk(['a', 'b', 'c', 'd'], 2);

Explanation:

You need to take an array from the first parameter, and then make sub-arrays the size of the second parameter and return them inside a big array.

Hint: 1

You will need two extra variables to store temp values and the new arrays.

Hint: 2

You need to check if you already have enough elements or not and add them.

Hint: check

You will need to check if there is any elements to push before returning the final results.

My code:

var temp = [];
var result = [];

for (var a in arr) {
  if (a % size !== size - 1)
    temp.push(arr[a]);
  else {
    temp.push(arr[a]);
    result.push(temp);
    temp = [];
  }
}

if (temp.length !== 0)
  result.push(temp);
 return result;
}

My Code Explanation:

• Create a temp variable and an results variable.

• For every element in the array:

  • if the index of the element is even then add the element temp variable.
  • Otherwise it means that we already have an element and should add the element and flush temp into results.

• Outside the loop, we check if temp is empty and return accordingly.

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