Asking to write a snippet for the polyfills function is an elementary question in any JavaScript interview. Most people write polyfills function-body by extending native object-prototype.
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Introduction To Polyfills & Their Usage, by Anurag Majumdar, Beginner's Guide to Mobile Web Development
Container queries begin to land in stable browsers while the polyfill gets a big update, Blog
Let's unleash the power of WebAssembly — possibly a silver bullet to server-side rendering (SSR/PSSR) problems, by Amit Pal
Demystifying Destructuring in ES6