Polyfills

Implementation of common polyfills asked in Frontend Interviews.

To run tests

To run tests, run the following commands,

yarn install
yarn run test

List of polyfills

1. Reduce

   Array.prototype.reduce is a commonly used high order function. We are going to look at how we can create our own implementation of this function, covering all the use-cases and error conditions.

   YouTube Link: https://www.youtube.com/watch?v=EgN4qwAQ0eM

2. SetInterval

   SetTimeout and SetInterval are very crucial functions when we talk about Javascript. In the part 1, we have explained setTimeout and setInterval with a few examples. In the part 2, we have implemented setInterval with the help of setTimeout.

   YouTube Link:

   Part 1 - https://www.youtube.com/watch?v=qSCEjJL3z6c

   Part 2 - https://www.youtube.com/watch?v=79yHvDzVA_I

Quick Links

Interview questions: https://code.devtools.tech/questions/all?ref=fiqdl-ql

Interview resources: https://code.devtools.tech/resources/all?ref=fiqdl-rl