React performance tricks

20 min read

How React is able to execute so fast and still remain flexible for a developer?


Can JSON.parse() be performance improvement?

15 min read

JSON.parse is a slow way to create copy of object. But can it actually improve performance of our code?


V8 function optimization

34 min read

JS engines are complicated piece of software. I want to quickly explain one of the optimization techniques V8 is using to speed up your code execution.


Is Symbol really useful?

13 min read

Symbols, underestimated feature introduced in ES2015. Does it have any other purpose than interview questions?