What is Polyfill in JavaScript with code example.

So in short - polyfill is code that allow us programmers to use new API in older browsers. Usually we use some library that add missing functionality or we can implement missing methods by ourselves.

Practical explanation with code
Example 1 - without polyfill
Example 2 - with polyfill

Link to short tutorial with source code from the video:

#javascript #webdev #polyfill #ECMAScript #html