--- id: 5900f3ab1000cf542c50febe challengeType: 5 title: 'Problem 63: Powerful digit counts' videoUrl: '' localeTitle: '' --- ## Description undefined ## Instructions undefined ## Tests
```yml tests: - text: '' testString: 'assert.strictEqual(euler63(), 49, "euler63() should return 49.");' ```
## Challenge Seed
```js function euler63() { // Good luck! return true; } euler63(); ```
## Solution
```js // solution required ```