The fast-path optimization increases at least twice the performance of JavaScript spread operator.

Array.from() transforms array-like objects to arrays, generates ranges, removes arrays duplicates, initializes and clones arrays.

Optional chaining accesses properties from deep of nested objects without prop existence verification and intermediate variables boilerplates.

A list of interesting and helpful applications of destructing assignments in JavaScript.

A successful open source project solves a real problem, puts an accent on quality and has excellent documentation.

How to shorten arrow functions in JavaScript to increase the readability of your code.

Read my story of how to become a better software developer by digging low level details and climbing good system design principles.

React.memo() increases the performance of functional components by preventing useless renderings. But such performance tweaks must be applied wisely.

Overuse of implicit type conversion, old JavaScript tricks, polluting function scope, undefined & null, casual coding style ruin JavaScript code quality

forEach() in JavaScript calls the provided function on each array item with 3 arguments: item, index, the array itself. Learn how to use forEach().