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Discussion on: Daily Coding Puzzles - Nov 4th - Nov 9th

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Replies for: Tuesday Product of Array Items (7 KYU): Calculate the product of all elements in an array. CodeWars

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Courtney •

I decided to not use reduce so that I could return early if I hit a zero.

function product(values) {
  if(!values || values.length === 0) return null;
  let prod = values[0];
  for(let i=1; i<values.length; i++) {
    if(values[i] === 0) return 0;
    prod *= values[i];
  }
  return result;
}