freeCodeCamp/guide/english/certifications/javascript-algorithms-and-data-structures/basic-data-structures/remove-items-from-an-array-with-pop-and-shift/index.md

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Remove Items from an Array with pop() and shift()

Remove Items from an Array with pop() and shift()

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Problem Explanation

• The .pop() method and .shift() method must be called and initialised using the popped and shifted variables to return the correct answer from the function.

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Solutions

Solution 1 (Click to Show/Hide)

function popShift(arr) {
  let popped = arr.pop();
  let shifted = arr.shift();
  return [shifted, popped];
}

// do not change code below this line
console.log(popShift(["challenge", "is", "not", "complete"]));