map vs forEach

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map
function socialNetworksToList(formValues) {
  return Object.keys(socialNetworkInitialValues).map((item) => ({
    name: item,
    username: formValues[item]
  }))
}
ready
forEach
function socialNetworksToList(formValues) {
  return Object.keys(socialNetworkInitialValues).forEach((item) => ({
    name: item,
    username: formValues[item]
  }))
}
ready

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