front-end-interview-handbook/packages/quiz/questions/what-are-polyfills-for/metadata.json

{
  "slug": "what-are-polyfills-for",
  "languages": [],
  "companies": [],
  "premium": false,
  "duration": 5,
  "published": true,
  "topics": ["javascript"],
  "importance": "mid",
  "difficulty": "medium"
}