Glossary term
What is polyfill? Meaning for developers
Code that adds a missing built-in feature to older environments.
Learn it properly · Full-Stack QuestionsLesson 17: JavaScript Coding Round: Polyfills and UtilitiesTested solutions for debounce, throttle, curry, memoize, deep clone, promise polyfills, a pool, an event emitter, an LRU cache and live-coding tips.