If you're seeing this message, that means
JavaScript has been disabled on your browser
, please
enable JS
to make this app work.
Sign up
Back
Polyfills in JavaScipt?
What is a polyfills in JavaScript?
Record your answer
Stay to the point and aim to provide your answer within 2 minutes.
Sign up To Answer
00: 00
Show Transcript
Explore Newton School
Tryouts
Games
Question of The Day
CodeRush
Live Workshops
Elevate AI Mock Interview Page
Study Buddy
Launchpad
AI Resume Evaluator
Playgrounds
College Predictor
Tryouts
HTML CSS
React/Redux
JavaScript
Node.js
Soft Skills
Spreadsheet
SQL
More Questions to Try
Lexical Environment in JavaScript
JavaScript as a Dynamic Language
Redeclaration of let and const variables
Shallow copy vs deep copy in JavaScript
Slice vs Splice in JavaScript