public/subjects/using-filter

Using Filter

Instructions

Create the following functions:

Your solutions must use filter.

• filterShortStateName: accepts an array of strings, and returns only those strings which contain less than 7 characters.

• filterStartVowel: accepts an array of strings, and returns only those that start with any vowel (a,e,i,o,u).

• filter5Vowels: accepts an array of strings, and returns only those which contain at least 5 of any vowels (a,e,i,o,u).

• filter1DistinctVowel: accepts an array of strings, and returns only those which contain distinct vowels (a,e,i,o,u). For example, "Alabama" contains only 1 distinct vowel "a".

• multiFilter: accepts an array of objects, and returns only those which:

  • the key capital contains at least 8 characters.
  • the key name does not start with a vowel.
  • the key tag has at least one vowel.
  • the key region is not "South"

Notions

• Array.prototype.filter