Learn Advanced Array Methods by Building a Statistics Calculator - Step 11 - Does it matter the order of acc and el in the function?

JavaScript
1

So I originally had this:

const getMean = (array) => {
  const sum = array.reduce((acc, el) => el + acc);
}

And it told me it was incorrect. I changed it to acc + el and an explicit return and it was accepted. Does it matter for the reduce method which order they are in, or was this just an overlooked correct possibility?

2

Hello, I’ve aways seem to think the order was el, acc for the params have you tried this? Here is a guild that might help: A Guide To The Reduce Method In Javascript​ (freecodecamp.org)

3

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