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Discussion on: Useful JS functions you aren't using: Array.filter

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Replies for: For the record, it's also possible by spreading the object, although it won't work everywhere at the moment, depending on your ES version: stude...

 
tjinauyeung profile image
Tjin •

Clean it even more by extracting callbacks

const addYearToAge = person => ({...person, age: person.age + 1})
const isUnderTwelve = person => person.age < 12

students
  .map(addYearToAge)
  .filter(isUnderTwelve)
  .forEach(console.log)
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vidup profile image
Victor Dupuy •

It's beautiful :O