--- id: 561abd10cb81ac38a17513bc title: JavaScript Algorithms and Data Structures Certificate challengeType: 7 isPrivate: true videoUrl: '' localeTitle: JavaScript算法和数据结构证书 --- ## Description
## Instructions
## Tests
```yml tests: - id: aaa48de84e1ecc7c742e1124 title: Palindrome Checker - id: a7f4d8f2483413a6ce226cac title: Roman Numeral Converter - id: 56533eb9ac21ba0edf2244e2 title: Caesars Cipher - id: aff0395860f5d3034dc0bfc9 title: Telephone Number Validator - id: aa2e6f85cab2ab736c9a9b24 title: Cash Register ```
## Challenge Seed
## Solution
```js // solution required ```