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Nov 29th, 2019
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  1. function quantidadeDeMesesComPerda(umPeriodo) {
  2. let quantidade = 0
  3. for (let i = 0; i < umPeriodo.length; i++) {
  4. if(umPeriodo[i] < 0) {
  5. // Could also be written as quantidade++
  6. quantidade = quantidade + 1
  7. }
  8. }
  9. return quantidade
  10. }
  11.  
  12. function quantidadeDeMesesComPerdaModernSyntax(umPeriodo) {
  13. // Filter with an arrow function and take length after filtering!
  14. return umPeriodo.filter((mes) => mes < 0).length
  15. }
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