JavaScriptEasy6/15

Write countVowels(str) that counts the vowels in a string

Examples

Write countVowels so that the following cases hold.

1 more hidden test cases - 4 in total will be graded.

js

function countVowels(str) {
  return (str.match(/[aeiou]/gi) || []).length;
}
countVowels("javascript"); // 3

Without regex, loop over the characters and test "aeiou".includes(ch.toLowerCase()). Remember uppercase input and the empty string.

sandbox.js

function countVowels(str) {
  // TODO
}

Output

Hit “Run tests” to check your solution.