Minor formatting

[ryceg]

Notable changes:

• Minor grammar fixes in the readme
• Added a typing to inString
• Avoid type coercion (== & !=)
• Change the demo to scrape the input for a single source of truth
• Added an if to catch undefined before set frame is called

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated
markov-junior-js	✅ Ready (Inspect)	Visit Preview	Jun 10, 2022 at 2:40AM (UTC)

[aseaday]

Thanks ！