Cracking the Coding Interview 6th Edition - JavaScript Question List: Chapter 1 1.1 - Is Unique 1.2 - Check Permutation 1.3 - URLify 1.4 - Palindrome Permutation 1.5 - One Away 1.6 - String Compression 1.7 - Rotate Matrix 1.8 - Zero Matrix 1.9 - String Rotation Install dependencies: npm install Test npm test If you just want to lint npm run lint