Challenge 1 of 6
Reverse string
Instructions
Write `reverse(text)` that returns the reversed string.
Editor
IntelliSense on
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Module 1 of 2
string algorithms
Interview classics: reverse, palindrome, vowels, title case, anagrams.
Algorithms · 0/6 completed · scroll down for every challenge
Challenge 2 of 6 · Palindrome
Challenge 2 of 6
Palindrome
Instructions
Write `isPalindrome(text)` — ignore case, compare reversed letters only.
Editor
IntelliSense on
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Challenge 3 of 6 · Count vowels
Challenge 3 of 6
Count vowels
Instructions
Write `countVowels(text)` counting a,e,i,o,u case-insensitively.
Editor
IntelliSense on
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Challenge 4 of 6 · Title case
Challenge 4 of 6
Title case
Instructions
Write `titleCase(text)` capitalizing the first letter of each space-separated word.
Editor
IntelliSense on
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Challenge 5 of 6 · Longest word
Challenge 5 of 6
Longest word
Instructions
Write `longestWord(text)` returning the first longest space-separated word.
Editor
IntelliSense on
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Challenge 6 of 6 · Anagram
Challenge 6 of 6
Anagram
Instructions
Write `isAnagram(a, b)` true when both strings use the same letters (ignore case).
Editor
IntelliSense on
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